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

The James Webb Space Telescope has captured the light of a star that exploded when the universe was still in its cosmic youth ...

Indian astronomers have identified a surprisingly mature, Milky Way-like galaxy from the universe’s early era. Named ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

Astronomers recently discovered a never-before-seen celestial phenomenon hiding in our own cosmic backyard. The mystery object, located just a short 15,000 light-years from Earth in our Milky Way ...

This stunning image is full of young star clusters.

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

We often think of galaxies either as individual “island universes” or as a member of a galaxy cluster. But there is another category of association: galaxy groups. Many galaxies — perhaps most in the ...

Spring has sprung — and for lovers of deep-sky objects, that means it’s galaxy season. This is a time of the year when that pesky, band of glowing stars and shadowy dust that we call the Milky Way is ...

Looking for a sky event this week? Check out our full Sky This Week column. December 11: Visit the Orion Nebula The Geminids ...

More than 100 observed galaxies are being disrupted and stripped of their outer layers, transforming them into fossil-dense, ultra-compact dwarf galaxies. When you purchase through links on our site, ...