Congratulations to Patrick for being honored by the American Physical Society! Prof. Brady is a long-standing member of our collaboration and our former Spokersperson

Built a bunch of aOSEMs (optical sensor and electromagnetic actuator) @LIGO - Livingston

🔭Our fourth observing run is due to end on November 18. However, we now expect to have a 6 month observing run in 2026–27 to begin in the late summer/early fall of 2026, with detectors participating as available observing.docs.ligo.org/plan/ ☄️🧪⚛️

🔭Our fourth observing run is due to end on November 18. However, we now expect to have a 6 month observing run in 2026–27 to begin in the late summer/early fall of 2026, with detectors participating as available observing.docs.ligo.org/plan/ ☄️🧪⚛️

A Halloween visitor!

We are pleased to announce our discovery of #GW241011 and #GW241110 Both come from binary black holes where one black hole is much larger than the other. The larger black holes have large spin. Could these black holes have formed in a previous merger? ligo.org/science-summ... #O4IsHere 🔭🧪⚛️☄️

Congratulations to Anamaria Effler, Sam Gralla, and Brian Lantz, who were elected Fellows of the APS, nominated by DGRAV! 1/3 🧪⚛️

14th Sep was celebrated internationally by the international scientific community as the tenth anniversary of the first direct detection of #Gravitationalwaves. LIGO-India EPO joined the global celebration by organising a special event on this day IUCAA, Pune

Count down the top 10 breakthroughs in the 10 years since our first detection with @space.com. Do you agree with their picks? www.space.com/astronomy/li... by @robleascijorno.bsky.social #GW10Years 🔭 ⚛️ 🧪

Yesterday's Astronomy Picture of the Day #APOD featured #GW250114! This artwork imagines the ultimate front-row seat as two black holes spiral together on their way toward producing the strongest gravitational-wave signal we've detected so far apod.nasa.gov/apod/ap25092... 🎨A Simonnet 🔭🐚

Last Sunday was the 10th anniversary of our first #GravitationalWave detection! Join us for a thread of celebratory cakes enjoyed by members of our collaboration First, a cake from @ozgrav.bsky.social Looks like plenty to share? 🖼️: J Powell 🧵🎂 #GW10Years

Looking for some more #GravitationalWave listening today?📻 Check out this podcast from The Naked Scientists, including interviews with Gaby González (@ligo.org) & @ithorpe.bsky.social from #LISA! Find it at www.thenakedscientists.com/podcasts/nak... or wherever you listen to podcasts! #GW10Years

The Kerr solution is truly remarkable. A mathematical description of black holes with just two parameters—this would make black holes the simplest macroscopic objects in the Universe. And all our observations show that this does describe astrophysical black holes as far as we can tell 🔭⚛️🧪

“With an idea that the impossible is often possible if you work hard at it. What we do here is thought to be impossible for many decades” Our own @giaime.net talks to @wafb.com about our 10th anniversary www.wafb.com/2025/09/15/f... by Liam Combs #GW10Years 🔭🧪⚛️

And the other poster takes a look at @ligo.org @egovirgo.bsky.social KAGRA and their science. By Gwendolyn Krenkel (Artwork and Concept), Sascha Rieger/ Milde Marketing Science Comms. Full resolution version at: dcc.ligo.org/G2501956/pub... #GW10Years

A decade of detecting gravitational waves: The Naked Scientists podcast catch up on the current status of gravitational-wave astronomy and future plans, including an interview with Prof. Gaby Gonzalez www.thenakedscientists.com/podcasts/nak... #GW10Years 🔭🧪⚛️

During the recent LIGO @egovirgo.bsky.social KAGRA meeting, the 2024 winner of the LIGO Laboratory Award for Excellence in Detector Characterization and Calibration, Louis Dartez, received his honorary Calibration Wizard hat. Congratulations to Dr. Dartez! www.ligo.caltech.edu/page/award-e...

As well as looking back at the last decade, we take a peak at some recent results with behind the scenes stories about the latest #GravitationalWave catalog with Lucy Thomas, @daniel-williams.co.uk and @michaelpuerrer.bsky.social #GW10Years #GWTC4

This is a wonderful mini (< 10 min) documentary about @ligo.org and the first gravitational wave detection 10 (!) years ago, made by my former colleagues at @uofgravity.bsky.social. I love the inclusion of all the broader scientific applications of the technology. youtu.be/SqhFtkQ4f2c?...

And a big thank you to Rob Coyne (@robcoyne.com) and Peter Shawhan for going above and beyond to help us get this bumper edition over the line - including inserting posters in each & every copy at the @ligo.org[email protected] meeting in Colorado last week! (📸 Photo by Peter Shawhan)

Gabriela González's keynote slides and voice from LLO's Sept 14 anniversary event are up, thanks to Jorge Pullin! #GW10Years

The New York Times shares celebrations of our 10 year anniversary, and the challenges ahead, with memories of Rai Weiss and our clearest detection #GW250114 www.nytimes.com/2025/09/10/s... by Dennis Overbye #GW10Years 🔭 🧪 ⚛️ ☄️

🎉 New LIGO Magazine out now!! 🎉 Celebrating 10 years of gravitational wave astronomy with a bumper edition! Read it free online at (pdf): 👉 ligo.org/wp-content/u... #GW10Years #LIGOMagazine @ligo.org @egovirgo.bsky.social

Happy birthday GW150914! When you were detected I was still an undergrad looking to get into GWs for her PhD (it's important to my internal story of myself that I wanted to do this *before* the detection) It's hard to believe how far we've come since then. 🐡🧪🔭 #GW10Years

Back from September 2015, this month in Physics history: Detection of waves emitted by colliding binary black holes opened a new era in astrophysics and proved that Einstein was right www.aps.org/apsnews/2025... by Katherine Bourzac #GW10Years 🧪⚛️🔭

Look back at our first discoveries with the award-winning LIGO documentary by @lesguthman.bsky.social youtu.be/dX4vCNi544w #GW10Years 🔭🧪⚛️

Exactly 10 years ago, the signal of a gravitational wave from the merger of two black holes arrived on Earth. It was not a special signal, but one like many that had always reached our planet. On that day, however, for the first time humankind was ready to listen to it. (1/7)

A timeline of GW150914. A story that begins a billion years ago and ends with our first #GravitationalWave detection 10 years ago today Discover more in the @ligomagazine.bsky.social ligo.org/wp-content/u... #GW10Years ⚛️🧪🔭

Happy birthday to GW150914, our first (of many) #GravitationalWave discoveries, detected 10 years ago today! #GW10Years 🧪⚛️🔭 🖼️: @chirpmass.bsky.social

Gabriela González gives the keynote at LIGO Livingston’s celebration of the 10th anniversary of our detection of gravitational waves.

The latest issue of @ligomagazine.bsky.social is out now and free to read 🎉 Celebrate 10 years of gravitational-wave astronomy with us 🎉 ligo.org/wp-content/u... 🔭🧪⚛️ #GW10Years

Which is your favourite amongst our detections? #GW10Years 🧪🔭⚛️

OTD 10 years ago I arrived with my video crew at the @ligo.org observatory in Louisiana & interviewed Gabriela Gonzalez. 12 hours later LIGO made the historic discovery of #gravitationalwaves. The next 3 days were the most amazing of my career and led to our award winning documentary “LIGO”. #LIGO

A new mini-documentary by our colleagues at @uofgravity.bsky.social celebrating the 10th anniversary of our first detection and the progress in #GravitationalWave astronomy youtu.be/SqhFtkQ4f2c #GW10Years 🔭🧪⚛️🎢

"Ten years ago, scientists heard the universe rumble for the first time. That first discovery of gravitational waves began a new era of astronomy." @simon-stevenson.bsky.social writes about gravitational-wave astronomy today theconversation.com/10-years-ago... #GW10Years 🔭🧪⚛️ 🖼️: C Knox

"This detection will quickly 'become one of my favourites', says David Reitze, executive director of the LIGO laboratory" @jennaahart.bsky.social reviews some of our greatest discoveries, including the new #GW250114 in Nature News www.nature.com/articles/d41... #GW10Years 🧪⚛️🔭

The Unfolding New Astronomical Revolution – In just a decade, the field has dramatically changed. The best is yet to come. www.iflscience.com/the-unfoldin... by @drcarpineti.bsky.social #GW10Years 🔭 🧪 ⚛️

Technological advances enable us to study our Universe in greater detail. Better telescopes give us clearer images, and better detectors enable clearer measurements of binary black holes. #GW250114 is a similar signal to GW150914, but our detectors are much better! #GW10Years 🔭🧪

What a difference a decade makes! Announcing the clearest #GravitationalWave detection ever #GW250114 youtu.be/2XmZ8-XQ9jU 📓: doi.org/10.1103/kw5g... 🔭🧪⚛️☄️ #O4IsHere

Our detailed study of #GW230814 is out arxiv.org/abs/2509.07348 We can precisely test general relativity with this loud signal. Most tests show agreement with Einstein's theory, but some… The deviations can be explained by detector noise. Having multiple detectors is important! 🔭🧪⚛️☄️ #GWTC4

LIGO members have gone on to many varied careers, including computational linguistics. Read about Lucía Santamaría's experience working on machine translation in @ligomagazine.bsky.social: ligo.org/wp-content/u... 🧪🎢👩‍💻

LIGO has the coolest science. The fact that my phone sometimes buzzes in my pocket in response to a black hole merger somewhere outside our galaxy is just amazing.

Results from the first part of our fourth LIGO @egovirgo.bsky.social KAGRA observing run are out today! We're pleased to share the largest catalog of gravitational-wave observations with more discoveries of black holes and neutron stars 📰 arxiv.org/abs/2508.18082 🔭🧪⚛️☄️ #GWTC4

Already with updated analysis. Look at that sky localization! ☄️🔭

The LIGO Scientific Collaboration will greatly miss our friend and colleague, Professor Rainer Weiss, whose immeasurable impact on gravitational-wave astronomy will be felt for generations to come ligo.org/professor-em... Our thoughts are with Rai's family and friends

Results from the first part of our fourth LIGO @egovirgo.bsky.social KAGRA observing run are out today! We're pleased to share the largest catalog of gravitational-wave observations with more discoveries of black holes and neutron stars 📰 arxiv.org/abs/2508.18082 🔭🧪⚛️☄️ #GWTC4

This seems like a good idea, neutron stars should get way more hype, so I want to add my two cents, but I will def be having pasta bolognesa too #NeutronStarWeek #Sciart

Today we celebrate the eight-year anniversary of a discovery that changed astronomy forever: on this day eight years ago @ligo.org and Virgo detected their first ever neutron star merger, GW170817 💥

This sounds like an excellent plan. Happy #NeutronStarWeek! Please celebrate with your favourite pasta dish

Finding sites for precision instruments, especially in LIGO's case, is no easy task. My article on LIGO's consideration of placing part of their broadband gravitational wave detector in the Blueberry Barrens of Maine is now available in @isisjournal.bsky.social! #histstem #hps #gravitationalwaves