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

A pioneering project explores how stargazing can ease anxiety, boost mood and strengthen family bonds, using the night sky as ...

For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

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

Life on Earth may have begun with a gift from a comet. Its existence was once threatened by an asteroid. Its future may ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

The Cassiopeia A supernova remnant reveals that massive exploding stars can forge far more of life's essential ingredients ...

Conventional telescopes are limited in detecting low-surface-brightness (LSB) structures, which are essential for studying ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

Invigorating new images have been captured by the Hubble Space Telescope and Juice (or Jupiter Icy Moon Explorer) of the ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...