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A “bang” in LIGO and Virgo detectors signals most massive gravitational-wave source yet

News Release • September 2, 2020

GW190521, a binary black hole merger likely produced gravitational waves equal to the energy of eight suns.
LIGO-Virgo Finds Mystery Object in "Mass Gap"

News Release • June 23, 2020

LIGO and Virgo report the observation of a merger involving a black hole of 23 solar masses and a compact object of 2.6 solar masses, detected during LIGO’s and Virgo’s 3rd observing run on August 14, 2019. The merger resulted in a final black hole of about 25 solar masses, located about 800 million light-years from Earth.
What are gravitational waves? Why are we looking for them? LIGO's Impact Public Alerts

News

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LIGO-Virgo-KAGRA Webinar on Recent Search for Lensing Signatures in Gravitational-wave Observations

News Release • May 24, 2021

Watch a video of the webinar.

Headlines

O3a Bulk Strain Data Release

News Release • April 17, 2021

LIGO-Virgo-KAGRA Webinar to Discuss New Results on the Gravitational-wave Background

News Release • February 2, 2021

LIGO and Virgo to Receive IEEE Milestone Plaques

News Release • January 22, 2021

Winner of the 2020 Award for Excellence in Detector Characterization and Calibration Announced

News Release • November 23, 2020

LIGO, Virgo and Kagra Observing Run Plans

News Release • November 17, 2020

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