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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.
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.
LIGO-Virgo Network Catches Another Neutron Star Collision

News Release • January 6, 2020

LIGO and VIrgo detect another binary neutron star collision, dubbed GW190425.
What are gravitational waves? Why are we looking for them? LIGO's impact Public alerts of candidate events

News

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LIGO Celebrates 5th Anniversary of First Gravitational Wave Detection

News Release • September 14, 2020

Staff remember that historic day, and reflect on what's happened since then.

Headlines

Syd Meshkov, 1927-2020

News Release • September 11, 2020

Webinar on GW190521 Results from the LIGO-Virgo-Kagra Collaboration

News Release • September 1, 2020

LIGO Observatories Humming with Upgrade Activities

News Release • August 24, 2020

Quantum fluctuations can jiggle objects on the human scale

Feature Story • July 1, 2020

LIGO shares Caltech and MIT statements responding to the Death of George Floyd

News Release • June 5, 2020

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