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

Astronomers are confronting galaxies that look too big and too old for the early universe, hikers and internet sleuths are ...

The James Webb Space Telescope has pushed the cosmic frontier back to a time when the universe was still in its infancy, ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

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

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 ...

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

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

The Hubble tension is especially troubling because it involves two sets of measurements that offer conflicting views of the ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...