Join the Space Telescope Science Institute for hands-on science demonstrations at the annual Johns Hopkins University Physics Fair, happening on Saturday, April 25, 2026, in Baltimore. 🔭 🧪

The STScI 2026 Spring Symposium aims to advance our understanding of the low-metallicity universe by bringing together researchers from May 11-15, 2026, to Baltimore, Maryland. Registration closes on April 10.

“Hoo” can resist this combined Hubble and #NASAWebb view of interacting galaxies VV 191? 🦉 Appearing like a glowing pair of owl eyes, this duo enabled scientists to learn more about the properties of galactic dust within the spiral galaxy at right: https://bit.ly/47llCPS

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a hands‑on Senior Database Engineer with deep expertise in PostgreSQL to help design, build, and maintain performant databases: https://bit.ly/3PODexE

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Human Resources Assistant to join our Benefits Team: https://bit.ly/4bX10is

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Benefits Branch Manager to provide strategic leadership, oversight, and administration for the organization’s comprehensive benefits programs and HRIS operations: https://bit.ly/4clgJsS

While we wait for NASA’s Artemis II launch, we looked back to 1999, when Hubble observed the Moon’s impact crater Copernicus. Shown is the ray pattern of dust ejected out of the crater when an asteroid slammed into the Moon one billion years ago: https://go.nasa.gov/3MlISWC

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Senior Data Engineer to help manage the backend data pipelines, MPP database system and ensure high-performance, reliable data access for our advanced astronomical public data archive: https://bit.ly/4masJ40

A cosmic first! 🚨 Hubble has spotted a comet that slowed and reversed its spin. Outgassing jets acted like thrusters, literally pushing it into a new rotation, shown here in this science visualization: https://news.stsci.edu/4c2u6hv

Last year, astronomers clocked the longest gamma-ray burst on record, which lasted hours rather than seconds. Learn the likely cause, and catch up on all the cosmic news, with ViewSpace: https://bit.ly/40i9sDi

Tour the cosmos with the Space Telescope Science Institute! 🪐 🔭 Join our YouTube channel: https://www.youtube.com/spacetelescopevision

New views of Saturn from #NASAWebb and Hubble reveal storms, waves, glowing rings, and subtle cloud bands, all in one of the most complete portraits yet. Different wavelengths of light, one comprehensive story: https://news.stsci.edu/4sopfx4

Le télescope spatial Hubble a observé une comète ralentir sa rotation puis tourne dans le sens inverse. En cause, son dégazage dont les jets ont agi comme des rétrofusées 🌬️

A cosmic first! 🚨 Hubble has spotted a comet that slowed and reversed its spin. Outgassing jets acted like thrusters, literally pushing it into a new rotation, shown here in this science visualization: https://news.stsci.edu/4c2u6hv

Washington State University's Maria Charisi discussed supermassive black hole binaries today at the Space Telescope Science Institute as part of our weekly 2026 Spring Colloquium.

New views of Saturn from #NASAWebb and Hubble reveal storms, waves, glowing rings, and subtle cloud bands, all in one of the most complete portraits yet. Different wavelengths of light, one comprehensive story: https://news.stsci.edu/4sopfx4

The NASA Hubble Fellowship Program named 24 postdoctoral scientists to its 2026 class. These researchers will investigate how the universe functions, seek to understand how the universe evolved, and try to answer the question: Are we alone? ➡️ https://news.stsci.edu/4t5pxc1

Using #NASAWebb and the Chandra X-ray Observatory, astronomers spotted a galaxy cluster starting to form 1 to 2 billion years earlier than was previously thought possible, soon after the big bang: https://s.si.edu/3LTyvJH

Tour the Crab Nebula, the supernova remnant discovered in the mid-18th century. Hubble recently took a fresh look, tracking 25 years of expansion. 🔭

Watch as the Crab Nebula changes over time with Hubble. Two images, taken 25 years apart, show the ongoing expansion of a supernova remnant: https://news.stsci.edu/4bAN6m4 🔭

Hubble just witnessed a comet in the act of breaking apart! Scientists didn’t know C/2025 K1 (ATLAS) was fragmenting until they viewed the images the day after Hubble took them. (1/6) 🧵 ☄️ 🔭

Miss this week's Deep Space Dialogues lecture? Watch the recording and hear about the James Webb Space Telescope has revolutionized the study of new planetary systems. 🔭

Hubble just witnessed a comet in the act of breaking apart! Scientists didn’t know C/2025 K1 (ATLAS) was fragmenting until they viewed the images the day after Hubble took them. (1/6) 🧵 ☄️ 🔭

Thinking about the past? Astronomers do too! #NASAWebb imaged irregular galaxy NGC 6822, which is thought to be similar to those in the early universe. NGC 6822 could help scientists learn about the life cycles of stars and dust. Credit: ESA, NASA, CSA, M. Meixner.

#NASAWebb has revolutionized our ability to study the formation and growth of new planetary systems, some with similarities to our own. ⏰ TONIGHT at 7 p.m. ET: Join us for a conversation on what we’ve learned about young planetary systems and their supply of ingredients needed for life.

When scientists recently trained Hubble on Comet K1, they got a big surprise—the comet was breaking apart! The odds of that happening while Hubble watched are … well, astronomical: https://news.stsci.edu/3OXyAx3

Take a journey through space to one of the most visually intricate remnants of a dying star: the Cat’s Eye Nebula, also known as NGC 6543. Hubble joined ESA’s Euclid space telescope to create a new image of this nebula. Credit: ESA/Hubble & NASA, ESA Euclid/Euclid Consortium/NASA.

The Space Telescope Science Institute has announced the selection of 254 James Webb Space Telescope Cycle 5 General Observer programs: https://news.stsci.edu/4bneuDE 🔭 🧪 #NASAWebb

A testing replica of the “backbone” of #NASAWebb is now on permanent display at the Smithsonian’s National Air and Space Museum, Steven F. Udvar-Hazy Center in Chantilly, Virginia. Webb’s Optical Telescope Element Pathfinder helped engineers prepare the largest space telescope ever built.

The Space Telescope Science Institute has announced the selection of 254 James Webb Space Telescope Cycle 5 General Observer programs: https://news.stsci.edu/4bneuDE 🔭 🧪 #NASAWebb

STScI is pleased to announce that Dr. Quyen Hart, project scientist for #NASAWebb science communications at STScI, and Dr. Heidi Hammel, vice president for science at @aura-astronomy.bsky.social, have been selected for the 2026 cohort of @aas.org's Shapley Visiting Lecturers.

Join Hubble in solving a cosmic mystery! Like detectives, scientists follow where the clues lead, no matter how unexpected. Watch the full video to crack the case: https://bit.ly/4cwG8Ak

NGC 6440 is a crowded cluster of stars, making it hard to resolve the makeup of separate stars. The sensitivity and resolution of #NASAWebb recently identified variations in the helium and oxygen amounts between stars. Credit: ESA, NASA, CSA, P. Freire; M. Cadelano, C. Pallanca.

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Scientific Assistant interested in analyzing near‑infrared Hubble imaging data of evolved, sun‑like stars in a galaxy with extremely primitive elemental abundances: https://bit.ly/4bq8ZV2

NGC 6440 is a crowded cluster of stars, making it hard to resolve the makeup of separate stars. The sensitivity and resolution of #NASAWebb recently identified variations in the helium and oxygen amounts between stars. Credit: ESA, NASA, CSA, P. Freire; M. Cadelano, C. Pallanca.

WATCH as the stars of the Orion constellation appear in three dimensions. The familiar pattern on the sky distorts into a whole new perspective in this visualization. ✨

#NASAWebb has revolutionized our ability to study the formation and growth of new planetary systems, some with similarities to our own. ⏰ On Wednesday, March 18, join us for a conversation on what we’ve learned about young planetary systems and their supply of ingredients needed for life.

The Extreme Outer Galaxy—the region more than 58,000 light-years from the Milky Way’s galactic center—is pretty extreme! 😎 #NASAWebb observed a portion of Digel Cloud 2, revealing newly formed stars that are expelling jets of material from their poles: https://bit.ly/4qpOdu4

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Cloud, K8s, and DevSecOps Branch Manager to support development teams with cloud infrastructure, containerization and Kubernetes support, and consistent DevSecOps automation: https://bit.ly/3P13Lra

Asteroid 2024 YR4 will not impact the Moon, according to data from a recent observation by #NASAWebb. Learn why Webb plays a crucial role in planetary defense: https://go.nasa.gov/40bCbtL

Asteroid 2024 YR4 will not impact the Moon, according to data from a recent observation by #NASAWebb. Learn why Webb plays a crucial role in planetary defense: https://go.nasa.gov/40bCbtL

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Software Engineer II to help advance our data analysis tools for our NASA flagship missions primarily in areas of data visualization: https://bit.ly/4b8dEL5

Technicians have completed the construction of #NASARoman at NASA's Goddard Space Flight Center in Maryland. The mission will revolutionize our understanding of the universe with its deep, crisp, sweeping views of space: https://go.nasa.gov/4rZZnYg

I can't say enough about #JWST (which I'd link if they had an account?) and the folks at @stsci.edu, who made the faintest-ever observations of a solar system object a breeze, using only about 5 hours of integration on each of two observing sessions. 2/

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Senior Data Platform Engineer to help manage the backend data pipelines, and ensure high-performance, reliable data access for our advanced astronomical public data archive: https://bit.ly/3N0T1sg

The galaxy on the left in this Hubble image is actually larger! The dimmer galaxy in Arp 4 is 65 million light-years from Earth, while the bright one lies 675 million light-years away! It’s determined that the further galaxy is much larger. Credit: NASA/ESA.

#NASAWebb has revolutionized our ability to study the formation and growth of new planetary systems, some with similarities to our own. On March 18 (7 p.m. ET), join us for a conversation on what we’ve learned about young planetary systems and their supply of ingredients needed for life.

What is the James Webb Space Telescope revealing about the TRAPPIST-1 system? ➡️ go.nasa.gov/4cnluTm 🔭 🧪 More about TRAPPIST-1 in this 🧵. (1/5)

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a JWST Deputy Project Manager to support the JWST Project Manager and Mission Head in managing the JWST Science and Operations Center: https://bit.ly/3PcdCKE

Learning about the TRAPPIST-1 system—an environment composed of seven rocky planets orbiting a red dwarf star—has been an ongoing endeavor. And now #NASAWebb is expanding the scientific story in exciting and new ways: https://bit.ly/4kH9X3i