Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been ...

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

The James Webb Space Telescope has uncovered traces of colossal, short‑lived stars that blazed out in the universe’s first ...

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

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

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

"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space as tiny particles.

A distant neutron star unexpectedly reawakened, unleashing a powerful X-ray surge that may reveal how the universe’s most ...

Black holes, born from dying stars, are cosmic giants that grow by consuming matter and merging with others. While invisible ...

In a young galaxy more than 13 billion light-years away, the James Webb Space Telescope has picked up a chemical fingerprint ...