Cat O'Connell-Cooper
@mars-cat.bsky.social
📤 75
📥 49
📝 98
Martian geologist (PhD👨🎓) ⛏. MSL APXS team member. From Ireland but living in eastern Canada
MSL Curiosity: Sol 4950: End of drive navcam mosaic; workspace Mastcam mosaic; FHAZ image; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS. Mcam workspace stitch by fredk; Navcam stitch, maps and data by P. Hammond
about 11 hours ago
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"A native sulfur deposit in Gale crater, Mars", Science, in press, doi: 10.1126/science.adu5501
www.science.org/doi/10.1126/...
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A native sulfur deposit in Gale crater, Mars
Martian rocks are known to contain sulfur-bearing species, including sulfates and sulfides. These compounds record a sulfur cycle that operated over Mars’ geological evolution. We used the Curiosity r...
https://www.science.org/doi/10.1126/science.adu5501
3 days ago
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MSL Curiosity: Sol 4948: End of drive navcam mosaic; workspace Mastcam mosaic; traverse maps; rover stats. Image credits: NASA-JPL/Caltech/MSSS. Mcam workspace stitch by fredk; Navcam stitch, map#2 and data by P. Hammond; map#1 by Jan Vacek
3 days ago
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MSL Curiosity: Sol 4939: End of drive navcam mosaic; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS. Mcam workspace stitch by fredk; Navcam stitch, maps and data by P. Hammond
11 days ago
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Curiosity Blog, Sols 4934-4940: In the Land of the Polygons Written by William Farrand, Senior Research Scientist, Space Science Institute Earth planning date: Friday, June 26, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4934-4940: In the Land of the Polygons - NASA Science
Written by William Farrand, Senior Research Scientist, Space Science Institute
https://science.nasa.gov/blog/curiosity-blog-sols-4934-4940-in-the-land-of-the-polygons/
11 days ago
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Polygons galore! MSL Curiosity: Sol 4938: End of drive navcam mosaic; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS. Mcam workspace stitch by fredk; Navcam stitch and data by P. Hammond; map by Jan Vacek
24 days ago
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Curiosity Blog, Sols 4920-4926: Surveying the Bands Written by William Farrand, Senior Research Scientist, Space Science Institute Earth planning date: Friday, June 12, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4920-4926: Surveying the Bands - NASA Science
Written by William Farrand, Senior Research Scientist, Space Science Institute
https://science.nasa.gov/blog/curiosity-blog-sols-4920-4926-surveying-the-bands/
24 days ago
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MSL Curiosity: Sol 4919: End of drive navcam mosaic; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS. Mcam workspace stitch by fredk; Navcam stitch and data by P. Hammond; map by Jan Vacek
about 1 month ago
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Curiosity Blog: Sols 4913-4919: Planetary explorers, freewheeling to the Yardang unit! Written by Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University of New Brunswick, Canada Earth planning day: Friday, June 5th, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog: Sols 4913-4919: Planetary explorers, freewheeling to the Yardang unit! - NASA Science
Written by Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University of New Brunswick, Canada
https://science.nasa.gov/blog/curiosity-blog-sols-4913-4919-planetary-explorers-freewheeling-to-the-yardang-unit/
about 1 month ago
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MSL Curiosity: Sol 4916: End of drive navcam mosaic; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS; navcam stitch, data and map by P. Hammond
about 1 month ago
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MSL Curiosity: Sol 4914: End of drive navcam mosaic; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS; mastcam mosaic stitched by fredk; navcam stitch, data and map by Paul Hammond.
about 1 month ago
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Curiosity Blog, Sols 4908-4912: Goodbye Campo Marte, It’s Been Fun! By Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, UK
@spsmars.bsky.social
Earth planning date: Friday, May 29, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4908-4912: Goodbye Campo Marte, It’s Been Fun! - NASA Science
By Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, UK
https://science.nasa.gov/blog/curiosity-blog-sols-4908-4912-goodbye-campo-marte-its-been-fun/
about 1 month ago
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Curiosity Blog, Sols 4900-4907: Pasadena, We Have a Drill Sample! Written by Abigail Fraeman, Deputy Project Scientist at Jet Propulsion Laboratory, California Institute of Technology
@abbyfrae.bsky.social
Earth planning date: Friday, May 22, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4900-4907: Pasadena, We Have a Drill Sample! - NASA Science
Written by Abigail Fraeman, Deputy Project Scientist at Jet Propulsion Laboratory, California Institute of Technology
https://science.nasa.gov/blog/curiosity-blog-sols-4900-4907-pasadena-we-have-a-drill-sample/
about 2 months ago
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Curiosity Blog, Sols 4893-4899: Drilling at Campo Marte and a Visit From the Psyche Spacecraft Written by Lucy Lim, Planetary Scientist at NASA Goddard Space Flight Center Earth planning date: Friday, May 15, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4893-4899: Drilling at Campo Marte and a Visit From the Psyche Spacecraft - NASA Science
Written by Lucy Lim, Planetary Scientist at NASA Goddard Space Flight Center
https://science.nasa.gov/blog/curiosity-blog-sols-4893-4899-drilling-at-campo-marte-and-a-visit-from-the-psyche-spacecraft/
about 2 months ago
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MSL Curiosity: Sol 4893: End of drive navcam mosaic; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS; mastcam mosaic stitched by fredk; navcam stitch, data and map by P. Hammond
about 2 months ago
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Curiosity Blog, Sols 4886-4892: Ingenuity and Perseverance, Curiosity Style Written by Michelle Minitti, MAHLI Deputy Principal Investigator Earth planning date: Friday, May 8, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4886-4892: Ingenuity and Perseverance, Curiosity Style - NASA Science
Written by Michelle Minitti, MAHLI Deputy Principal Investigator
https://science.nasa.gov/blog/curiosity-blog-sols-4886-4892-ingenuity-and-perseverance-curiosity-style/
2 months ago
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Curiosity Blog, Sols 4879-4885: Struggle at Atacama Written by William Farrand, Senior Research Scientist, Space Science Institute Earth planning date: Friday, May 1, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4879-4885: Struggle at Atacama - NASA Science
Written by William Farrand, Senior Research Scientist, Space Science Institute
https://science.nasa.gov/blog/curiosity-blog-sols-4879-4885-struggle-at-atacama/
2 months ago
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Watch Curiosity MSL free itself from the Atacama drill target!
science.nasa.gov/photojournal...
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NASA’s Curiosity Rover Frees Its Drill From a Rock - NASA Science
This series of images shows NASA’s Curiosity Mars rover as it got a rock stuck to the drill on the end of its robotic arm and, after waving the arm and
https://science.nasa.gov/photojournal/nasas-curiosity-rover-frees-its-drill-from-a-rock/
2 months ago
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Curiosity Blog, Sols 4873-4878: Welcome to the Atacama Drill Target Written by Sharon Wilson Purdy, Planetary Geologist at the Smithsonian National Air and Space Museum Earth planning date: Friday, April 24, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4873-4878: Welcome to the Atacama Drill Target - NASA Science
Written by Sharon Wilson Purdy, Planetary Geologist at the Smithsonian National Air and Space Museum
https://science.nasa.gov/blog/curiosity-blog-sols-4873-4878-welcome-to-the-atacama-drill-target/
2 months ago
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Curiosity Blog, Sols 4852–4858: When Data Take Their Time… Written by Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, UK Earth planning date: Friday, April 3, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4852–4858: When Data Take Their Time… - NASA Science
Written by Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, UK
https://science.nasa.gov/blog/curiosity-blog-sols-4852-4858-when-data-take-their-time/
3 months ago
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Curiosity Blog, Sols 4845-4851: Bye-Bye Boxwork, Bye-Bye Written by Lucy Thompson, APXS Strategic Planner and Planetary Geologist at the University of New Brunswick, Canada Earth planning date: Friday, March 27, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4845-4851: Bye-Bye Boxwork, Bye-Bye - NASA Science
Written by Lucy Thompson, APXS Strategic Planner and Planetary Geologist at the University of New Brunswick, Canada
https://science.nasa.gov/blog/curiosity-blog-sols-4845-4851-bye-bye-boxwork-bye-bye/
3 months ago
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MSL Curiosity: Sol 4857: End of drive navcam mosaic looking towards the yardang unit; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS; mastcam mosaic stitched by fredk; navcam stitch, data and map by P. Hammond
3 months ago
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MSL Curiosity: Sol 4848: End of drive navcam mosaic looking towards the yardang unit; workspace Mastcam mosaic; traverse map; rover stats. Image credits: NASA-JPL/Caltech/MSSS; mastcam mosaic stitched by fredk; navcam stitch, data and map by P. Hammond
3 months ago
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Curiosity Blog, Sols 4838-4844: Wrapping Up the Boxwork Terrain Written by Deborah Padgett, MSL Operations Product Ground System Task Lead at NASA's Jet Propulsion Laboratory Earth planning date: Friday, March 20, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4838-4844: Wrapping Up the Boxwork Terrain - NASA Science
Written by Deborah Padgett, MSL Operations Product Ground System Task Lead at NASA's Jet Propulsion Laboratory
https://science.nasa.gov/blog/curiosity-blog-sols-4838-4844-wrapping-up-the-boxwork-terrain/
4 months ago
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MSL Curiosity: Sol 4845: End of drive and workspace Mastcam mosaics; rover stats and traverse map. Image credits: NASA-JPL/Caltech/MSSS; mosaics stitched by fredk Data and map compiled by P. Hammond
4 months ago
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Curiosity Blog, Sols 4832–4837: Driving the (Contact) Line! Written by Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University of New Brunswick, Canada Earth planning date: Friday, March 13, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4832–4837: Driving the (Contact) Line! - NASA Science
Written by Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University of New Brunswick, Canada
https://science.nasa.gov/blog/curiosity-blog-sols-4832-4837-driving-the-contact-line/
4 months ago
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MSL Curiosity Blog, Sols 4825-4831: Exploring the Borderlands Written by William Farrand, Senior Research Scientist, Space Science Institute Earth planning date: Friday, March 6, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4825-4831: Exploring the Borderlands - NASA Science
Written by William Farrand, Senior Research Scientist, Space Science Institute
https://science.nasa.gov/blog/curiosity-blog-sols-4825-4831-exploring-the-borderlands/
4 months ago
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MSL Curiosity: Sol 4830: End of drive and workspace Mastcam mosaics; rover stats and traverse map. Image credits: NASA-JPL/Caltech/MSSS; mosaics stitched by fredk Data and map compiled by P. Hammond
4 months ago
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science.nasa.gov/blog/curiosi...
MSL Curiosity Blog, Sols 4818-4824: Thinking Out of the Boxwork Written by Ashley Stroupe, Operations Systems Engineer at NASA’s Jet Propulsion Laboratory Earth planning date: Friday, Feb. 27, 2026
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Curiosity Blog, Sols 4818-4824: Thinking Out of the Boxwork - NASA Science
Written by Ashley Stroupe, Operations Systems Engineer at NASA’s Jet Propulsion Laboratory
https://science.nasa.gov/blog/curiosity-blog-sols-4818-4824-thinking-out-of-the-boxwork/
4 months ago
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Curiosity MSL: sol 4816 drive data and map, Navcam mosaic and workspace. Image credits: NASA-JPL/Caltech/MSSS Navcam mosaic stitching, drive map and data - P. Hammond Mastcam mosaic stitching - fredk
5 months ago
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Curiosity Blog, Sols 4812-4819: Back Into the Hollows Written by Diana Hayes, Graduate student at York University, Toronto, Canada
@dchayes.ca
Earth planning date: Friday, Feb. 20, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4812-4819: Back Into the Hollows - NASA Science
Written by Diana Hayes, Graduate student at York University, Toronto
https://science.nasa.gov/blog/curiosity-blog-sols-4812-4819-back-into-the-hollows/
5 months ago
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MSL Curiosity - sol4810 Mastcam Left image of the ridges and hollows; Navcam (B&W) image; rover stats and maps. Image credits: Raw images: NASA/JPL-Caltech/MSSS Stitching and data compilation: P.Hammond
5 months ago
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MSL Curiosity - sol4810 Mastcam workspace 15 deBayered MastCams sharpened and assembled in MS-ICE Image credits: Raw images: NASA/JPL-Caltech/MSSS Stitching: P.Hammond
5 months ago
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Curiosity Blog Sols 4804-4811: Kicking Off the Final Phase of Boxwork Exploration Written by Abigail Fraeman, Curiosity Deputy Project Scientist Earth planning date: Friday, Feb. 13, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog Sols 4804-4811: Kicking Off the Final Phase of Boxwork Exploration - NASA Science
Written by Abigail Fraeman, Curiosity Deputy Project Scientist
https://science.nasa.gov/blog/curiosity-blog-sols-4804-4811-kicking-off-the-final-phase-of-boxwork-exploration/
5 months ago
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Curiosity Blog, Sols 4798-4803: Back for More Science Written by Michelle Minitti, MAHLI Deputy Principal Investigator Earth planning date: Friday, Feb. 6, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4798-4803: Back for More Science - NASA Science
Written by Michelle Minitti, MAHLI Deputy Principal Investigator
https://science.nasa.gov/blog/curiosity-blog-sols-4798-4803-back-for-more-science/
5 months ago
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Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction Written by Alex Innanen, Atmospheric Scientist at York University, Toronto, Canada
@transmartian.bsky.social
Earth planning date: Friday, Jan. 30, 2026
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction - NASA Science
Written by Alex Innanen, Atmospheric Scientist at York University, Toronto
https://science.nasa.gov/blog/curiosity-blog-sols-4788-4797-welcome-back-from-conjunction/
5 months ago
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MSL Curiosity: LED lights (part of the MAHLI camera) were used to create this rare nighttime image (sol_4740, Dec. 6, 2025), focused on the “Nevado Sajama” drill in the "boxwork" structures.
science.nasa.gov/resource/cur...
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Curiosity Lights Up ‘Nevado Sajama’ at Night - NASA Science
NASA’s Curiosity Mars rover used LED lights on the end of its robotic arm to create this rare nighttime view of the Red Planet’s surface on
https://science.nasa.gov/resource/curiosity-lights-up-nevado-sajama-at-night/
5 months ago
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Curiosity MSL: Workspace 4789 - back at the Nevado Sajama drill site - you can see the drill hole in the bottom right of the mastcam workspace. Thanks to
@paulhammond1.bsky.social
for the data and stitches
5 months ago
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Curiosity MSL Blog, Sols 4750-4762: See You on the Other Side of the Sun Written by Lucy Thompson, Planetary Scientist and APXS team member, University of New Brunswick, Canada Earth planning date: Monday, Dec. 22, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4750-4762: See You on the Other Side of the Sun - NASA Science
Written by Lucy Thompson, Planetary Scientist and APXS team member, University of New Brunswick, Canada
https://science.nasa.gov/blog/curiosity-blog-sols-4750-4762-see-you-on-the-other-side-of-the-sun/
7 months ago
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Curiosity MSL_sol 4752: navcam mosaic and mastcam workpace mosaic - parking location for the holiday season and across conjunction (which lasts until Jan 22nd) Credits: NASA/JPL-Caltech/MSSS, fredk and
@paulhammond1.bsky.social
7 months ago
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Curiosity MSL_sol 4752: maps and rover data - parking location for the holiday season and across conjunction (which lasts until Jan 22nd) Credits: NASA/JPL-Caltech/MSSS, fredk and
@paulhammond1.bsky.social
7 months ago
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MSL Curiosity_sol 4748: MAHLI mosaic on a ridge wall, in the Monte Grande hollow, Gale crater. Image credits: NASA/JPL-Caltech/MSSS for both images, with stitching by
@paulhammond1.bsky.social
for the mosaic and fredk for the Mastcam context image.
7 months ago
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MSL Curiosity: sol 4746 - back in the hollow next to the Valle de la Luna drill site. Image credits - MSSS-JPL/Caltech, Navcam team - thanks to
@paulhammond1.bsky.social
for stitching the images
7 months ago
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MSL Curiosity Blog, Sols 4716-4722: Drilling Success at Nevado Sajama Written by Michelle Minitti, MAHLI Deputy Principal Investigator at Framework Earth planning date: Friday, Nov. 14, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4716-4722: Drilling Success at Nevado Sajama - NASA Science
Written by Michelle Minitti, MAHLI Deputy Principal Investigator at Framework
https://science.nasa.gov/blog/curiosity-blog-sols-4716-4722-drilling-success-at-nevado-sajama/
8 months ago
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Curiosity Blog, Sols 4709-4715: Drilling High and Low in the Boxwork Unit Written by Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University of New Brunswick, Canada Earth planning date: Friday, November 7th, 2025
#mars
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4709-4715: Drilling High and Low in the Boxwork Unit - NASA Science
Written by Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University of New Brunswick, Canada
https://science.nasa.gov/blog/curiosity-blog-sols-4709-4715-drilling-high-and-low-in-the-boxwork-unit/
8 months ago
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Curiosity Blog, Sols 4702-4708: It’s Only Spooky Here on Earth Today! By Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, U.K.
@spsmars.bsky.social
Earth planning date: Friday, Oct. 31, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4702-4708: It’s Only Spooky Here on Earth Today! - NASA Science
By Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, U.K.
https://science.nasa.gov/blog/curiosity-blog-sols-4702-4708-its-only-spooky-here-on-earth-today/
8 months ago
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Curiosity Blog, Sols 4695-4701: Searching for Answers at Monte Grande Written by William Farrand, Senior Research Scientist, Space Science Institute Earth planning date: Friday, Oct. 24, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4695-4701: Searching for Answers at Monte Grande - NASA Science
Written by William Farrand, Senior Research Scientist, Space Science Institute
https://science.nasa.gov/blog/curiosity-blog-sols-4695-4701-searching-for-answers-at-monte-grande/
8 months ago
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Curiosity Blog, Sols 4689-4694: Drill in the Boxwork Unit is GO! Written by Catherine O'Connell-Cooper, APXS Payload Uplink/Downlink Lead, University of New Brunswick, Canada Earth planning date: Friday, Oct. 17, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4689-4694: Drill in the Boxwork Unit is GO! - NASA Science
Written by Catherine O'Connell-Cooper, APXS Payload Uplink/Downlink Lead, University of New Brunswick
https://science.nasa.gov/blog/curiosity-blog-sols-4689-4694-drill-in-the-boxwork-unit-is-go/
8 months ago
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Curiosity Blog, Sols 4682-4688: Seven Mars Years Written by Diana Hayes, Graduate Student at York University, Toronto
@dchayes.ca
Earth planning date: Friday, Oct. 10, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4682-4688: Seven Mars Years - NASA Science
Written by Diana Hayes, Graduate Student at York University, Toronto
https://science.nasa.gov/blog/curiosity-blog-sols-4682-4688-seven-mars-years/
8 months ago
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Curiosity Blog, Sols 4675-4681: Deciding Where to Dig Into the Boxworks Written by Michelle Minitti, MAHLI Deputy Principal Investigator at Framework Earth planning date: Friday, Oct. 3, 2025
science.nasa.gov/blog/curiosi...
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Curiosity Blog, Sols 4675-4681: Deciding Where to Dig Into the Boxworks - NASA Science
Written by Michelle Minitti, MAHLI Deputy Principal Investigator at Framework
https://science.nasa.gov/blog/curiosity-blog-sols-4675-4681-deciding-where-to-dig-into-the-boxworks/
8 months ago
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