Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...

A tiny particle that smashed into Earth with a record-shattering energy of 220 petaelectronvolts could be the last scream of ...

In a recent piece for my column The Universe, I wrote about the biggest black holes in the cosmos. Black holes are rather ...

Scientists spotted an enormous black hole in the early universe that's growing at 2.4 times the theoretical Eddington limit.

The galaxy’s heart hides a cosmic giant that shouldn’t exist so soon after the Big Bang but could explain the mysterious ...

A supermassive black hole 12.8 billion lights years from us has been discovered feasting at a rate that scientists describe ...

Astronomers detected in unprecedented detail a collision between two black holes. Their observations confirm predictions made ...

The James Webb Space Telescope has found a lonely black hole in the early universe that’s as heavy as 50 million suns. A ...

The Big Bang may have spawned these theoretical black holes, whose lives are thought to end in a burst of extremely energetic particles.

"Black-hole mergers can be understood as a superposition of different signals, just like the music of an orchestra consistent ...

In 1972, Stephen Hawking published a seminal study showing that as two black holes merge, the surface area of the final event ...