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 ...

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

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