Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.

Physicists with the LIGO/Virgo/KAGRA collaboration have detected the gravitational wave signal (dubbed GW231123) of the most massive merger between two black holes yet observed, resulting in a new ...

Gravitational waves detected at LIGO Hanford Observatory in Washington reveal a puzzling black hole merger, the heaviest detected. Trump calls for LIGO closure.

Proposed budget cuts could shut down LIGO Hanford, halting vital gravitational wave research and harming STEM outreach in the Tri-Cities.

Trump administration proposes closing LIGO Hanford or LIGO Livingston, jeopardizing cutting-edge gravitational wave research near Tri-Cities, Washington.

Senate bill includes funding to keep both U.S. LIGO observatories operational. LIGO confirmed 300 gravitational wave events since Nobel-honored 2015 discovery. Sen. Murray worked to save LIGO by ...

Trump administration proposes closing LIGO Hanford or LIGO Livingston, jeopardizing cutting-edge gravitational wave research near Tri-Cities, Washington.

Trump administration proposes closing LIGO Hanford or LIGO Livingston, jeopardizing cutting-edge gravitational wave research near Tri-Cities, Washington.