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

Most smaller galaxies may not have supermassive black holes in their centers, according to a recent study using NASA's Chandra X-ray Observatory. This contrasts with the common idea that nearly every ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

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

JWST spots a mature early-universe spiral as CERN reveals how light nuclei form in extreme collisions, challenging core ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

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

A team of astronomers studying the distribution of galaxies in nearby space has discovered something truly extraordinary: a ...

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

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

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