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.

Welcome to LIGO Hanford

• January 31, 2020

LIGO-Virgo Network Catches Another Neutron Star Collision

News Release • January 6, 2020

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

LHO Receives WA Funds to Build STEM Exploration Center

News Release • June 10, 2019

LIGO Hanford Observatory awarded $7.7M from state of Washington to build 'STEM Exploration Center' for WA students and the public.