BCG, astronomers have identified a starless void stretching 3,200 light years across, a gap first spotted in 2018 and long ...

A view of the central region of the Perseus galaxy cluster, one of the most massive objects in the universe, shows the ...

On a January morning in 2025, a ripple in the fabric of spacetime swept across the United States, arriving at two giant ...

Astronomers may have witnessed one of the rarest and most dramatic cosmic events ever seen: a long-sought intermediate-mass ...

A LONG TIME ago, in a galaxy far, far away—somewhere in the general direction of the constellation of Leo—two black holes ...

Hawking radiation is a form of radiation emitted by black holes, as theoretically predicted by Stephen Hawking. It suggests ...

These forbidden black holes shouldn’t exist, but they could change everything we know about how these giants are born ...

There is no sound in space, but black holes can still sing. When two black holes collide, their song ripples through the very ...

A distant galaxy nicknamed Shadow Blaster may have revealed a surprising source of cosmic neutrinos: extreme star formation instead of a supermassive black hole. The discovery suggests that hidden, ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being empty, ...

New maps around Sagittarius A* revealed a big clue.