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

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

A supernova from the early universe looks unexpectedly familiar, challenging ideas about how the first massive stars lived ...

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

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

NASA’s SPHEREx has mapped the entire sky in 102 infrared colors, which are invisible to the human eye but can be used to ...

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 ...

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 ...

A simple ranking exercise quickly revealed how poorly most people understood the universe they lived in. Basic concepts like ...

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 ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, billions of stars and their attendant planets. The universe teems with huge, ...