The future of at least one of the U.S. LIGO observatories is in jeopardy as deep cuts to science programs are proposed by the ...

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

The merger wasn’t just the biggest ever, but also an event so rare that it challenges existing models for black hole genesis.

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

Two colossal black holes among the most massive ever seen collided in deep space, creating gravitational waves that rippled ...

The massive black hole has been dubbed GW231123. Its unusual size and behavior is challenging scientists' understanding of ...

“It’s the most massive [merger] so far,” says Mark Hannam, a physicist at Cardiff University, UK, and part of the LVK ...

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

To date, the collaboration has detected dozens of merger events since its first Nobel Prize-winning discovery. Early detected ...

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

Learn more about LIGO, the observatory that detected two massive black holes merging, the largest in recorded history.

The Laser Interferometer Gravitational-wave Observatory (LIGO) is no stranger to making history and breaking records. In 2015 ...