Long ago, in a galaxy far away, two black holes danced around each other, drawing ever closer until they ended in a cosmic collision that sent ripples through the fabric of spacetime. On September 14, ...

Less than a decade since the first detection of gravitational waves—ripples in spacetime itself—proposed budget cuts threaten ...

Joseph Giaime, head of the observatory, joined Louisiana Considered to talk to us about the event’s significance, and how ...

The merger resulted in a combined black hole 225 times our sun’s mass, and challenges current astrophysical models of black ...

To study this merger, scientists had to use advanced models that account for how fast-spinning black holes behave—a ...

A record-breaking black hole collision has stunned scientists with its sheer scale and speed. Detected by the LIGO-Virgo-KAGRA observatories, the event merged two enormous black holes—each over 100 ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as ...

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

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

The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

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 Trump administration.

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 ...