This is the most massive black hole binary we’ve observed through gravitational waves, and it presents a real challenge to ...

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...

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.

The massive bill is guided by spending requests from the White House. It will extend the 2017 Trump tax cuts, while cutting ...