The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely ...

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

Astronomers have made a historic breakthrough: for the first time, a black hole has been observed consuming a neutron star,an event so powerful it sent ripples through the very fabric of space-time.

India is building the third LIGO detector, thus completing the triad with the two existing US-based observatories.