If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

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

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

Cosmologists are finally beginning to sketch a coherent picture of the universe we cannot see, using exquisitely detailed ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to date of the cosmos' "first steps" toward forming the first stars and ...

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

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

The James Webb Space Telescope has provided evidence of 'monster stars' in the early universe, explaining the existence of ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. White diamond symbols mark the locations of 20 of the 83 newfound young, low-mass galaxies ...

The Atacama Large Millimeter/Submillimeter Array (ALMA) in the Chilean Andes is one of the most powerful radio telescope ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Whether the universe will “end” at all is not certain, but all evidence suggests it ...

Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is not certain, but all evidence suggests it will continue being humanity's ...