As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...

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

Astrophysicists have analyzed two merging black holes; the team's best models suggest that at least one, if not both, of the ...

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 ...

Black holes in a pair of merging galaxies, known as UGC4211, are devouring gas and dust that is "being displaced by the ...

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

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

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 ...