Scientists say the two black holes merged after colliding at speeds near the limit allowed by Albert Einstein’s theory of ...

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 ...

The Trump administration has called for shutting down either a Tri-Cities, WA, or Louisiana observatory that work in tandem.

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 ...

The White House's 2026 budget proposal threatens dozens of active and upcoming science missions designed to explore the ...

Scientists have detected gravitational waves from a black hole collision, revealing one with an unexpected mass that challenges existing theories about star death.

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

What occurs when the universe plays a cosmic curveball, breaking down long-standing assumptions about how black holes form?