For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and ...

A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

Astronomers detect strong evidence of an atmosphere on ultra-hot TOI-561 b, a low-density rocky planet circling a star older ...

JWST uncovers evidence of ancient “monster stars” whose extreme chemistry may explain the origins of early supermassive black ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

“Our latest discovery helps solve a 20-year cosmic mystery,” co-lead author Daniel Whalen from the University of Portsmouth's ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in ...