The biggest black hole merger yet observed could confirm a rare class of black holes long thought to be missing from the universe.

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to ...

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

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

Astronomers have revealed the largest black hole merger to date. This illustration shows how the merger would appear to our ...

SCIENTISTS have discovered the biggest black hole merger ever recorded, as two massive spacetime ripples spiral into each ...

It was a bump in the night. A big one.On Nov. 23, 2023, waves from a colossal merger of two black holes reached Earth and ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

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

NGC 1786’s mixed-age stars suggest globular clusters aren’t one-generation wonders, offering fresh clues to galaxy formation far beyond the Milky Way.

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...