Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being empty, black holes are chock full of matter that gets squeezed into a teensy space.

Before our universe existed, another one may have collapsed in on itself, and some of its black holes may have survived the ...

BUFFALO, N.Y. — Imagine the formation of a black hole and you’ll probably envision a massive star running out of fuel and collapsing in on itself. Yet the chaotic conditions of the early universe may ...

A new image by the Chandra X-ray Observatory reveals an unidentified celestial object, dubbed C4, getting blasted by a jet of energetic particles, raising questions about its identity. Reading time 2 ...

Astronomers have found a potential new piece of the ongoing puzzle over “little red dots” (LRDs). It’s a distant smudge in the sky reminiscent of the mysteriously compact, crimson orbs that keep ...