In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

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

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 ...

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

Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

Galaxies appeared not just as distant objects, but as vast systems shaped by gravity, time, and violence. Deep-field images ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Astronomers from several nations found fourteen hydrogen-rich galaxies placed along a narrow stretch over 5.5 million ...

The James Webb Space Telescope has found compelling evidence for "monster stars" — gigantic, primordial stars that existed in ...