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GW190412: The Merger of Two Black Holes with Unequal Masses

News Release • April 20, 2020

On April 12, 2019, LIGO and Virgo observed gravitational waves produced by the inspiral and merger of two black holes of unequal masses, an event dubbed GW190412.

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LIGO Suspends Third Observing Run (O3)

News Release • March 26, 2020

LIGO suspends third observing run early in response to COVID-19

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LIGO Laboratory’s Response to COVID-19

News Release • March 19, 2020

LIGO Laboratory prides itself on being part of a worldwide collection of scientists. At the same time, each detector is also a part of its local community, and we pride ourselves on being good community partners as well. Right now, both local and worldwide communities are being significantly challenged by COVID-19 (the novel coronavirus).

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KAGRA Begins Initial Observations

News Release • March 3, 2020

KAGRA gravitational wave detector in Japan began initial GW observations on February 25, 2020

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LIGO-Virgo Network Catches Another Neutron Star Collision

News Release • January 6, 2020

LIGO and VIrgo detect another binary neutron star collision, dubbed GW190425.

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Update on Quantum Squeezing Device

News Release • December 11, 2019

Update on LIGO and Virgo vacuum squeezing upgrade

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The 9th Episode of the Advanced LIGO Documentary Project Released

News Release • December 10, 2019

Episode 9 from Les Guthman in his series "LIGO: A Discovery that Shook the World"

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Winner of the 2019 Award for Excellence in Detector Characterization and Calibration Is Announced

News Release • November 29, 2019

Dr. Ling "Lilli" Sun is the winner of the 2019 LIGO Lab Award for Excellence in Detector Characterization and Calibration.

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LIGO's Commissioning Break Ends, O3 Resumes

News Release • November 4, 2019

After a month-long commissioning break, LIGO and Virgo have resumed their search for Gravitational Waves

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The 8th Episode of the Advanced LIGO Documentary Project Released

News Release • October 21, 2019

Episode 8 from Les Guthman in his series "LIGO: A Discovery that Shook the World"

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Two More LIGO Documentary Videos Released

News Release • October 18, 2019

Episodes 6 and 7 from Les Guthman in his series "LIGO: A Discovery that Shook the World"

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New LIGO Documentary Videos Released

News Release • October 15, 2019

Two new LIGO documentary films from Les Guthman in his series, LIGO: A Discovery that Shook the World

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KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves

News Release • October 4, 2019

Japan's Kamioka Gravitational-Wave Detector (KAGRA) to team up with LIGO and Virgo in the search for gravitational waves.

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LIGO's Commissioning Break Commences

News Release • October 1, 2019

LIGO begins month-long break for maintenance/ upgrades

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LIGO's Third Observing Run Started with a Bang!

News Release • August 12, 2019

22 candidate GW events in the first 4 months of O3

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LIGO Announces Commissioning Break

News Release • July 12, 2019

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LIGO and Virgo Detect Neutron Star Smash-Ups

News Release • May 2, 2019

LIGO and VIrgo detect gravitational waves from what appears likely to be a crash between two neutron stars, and possibly a neutron star-black hole collision.

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First Public Gravitational Wave Alert Issued!

News Release • April 11, 2019

LIGO and Virgo have sent out their first-ever “public alert”, informing the world of a possible gravitational wave detection. The candidate event occurred on April 8, 2019.

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LIGO and Virgo Resume Search for Ripples in Space and Time

News Release • March 26, 2019

The National Science Foundation's LIGO is set to resume its hunt for gravitational waves on April 1, after receiving a series of upgrades to its lasers, mirrors, and other components.

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LIGO and Virgo to Begin Third Observing Run on April 1, 2019

News Release • March 20, 2019

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The O2 Data Set Is Now Available

News Release • February 27, 2019

LIGO and Virgo announce the release of the strain data from the O2 observing run.

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LIGO Receives New Funding to Search for More Extreme Cosmic Events

News Release • February 14, 2019

The National Science Foundation (NSF) awards Caltech and MIT $20.4 million to upgrade LIGO.

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LIGO and Virgo Announce Four New Gravitational-Wave Detections

News Release • December 3, 2018

The National Science Foundation's LIGO (Laser Interferometer Gravitational-Wave Observatory) and the European-based VIRGO gravitational-wave detector have published new results from the first two Observing runs. Four new black hole mergers are newly announced, The LIGO and Virgo collaborations have now confidently detected gravitational waves from a total of 10 stellar-mass binary black hole mergers and one merger of neutron stars, which are the dense, spherical remains of stellar explosions.

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Winners of the 2018 Award for Excellence in Detector Characterization and Calibration Are Announced

News Release • November 20, 2018

Winners of the 2018 Award for Excellence in Detector Characterization and Calibration are announced.

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LIGO Scientists Awarded New Horizons in Physics Prize

News Release • October 17, 2018