The Hubble Space Telescope has captured imagery of spiral galaxy UGC 2890. The "galaxy lies around 30 million light-years ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

The universe is overrun with dark matter, outweighing the ordinary stuff that stars and planets are made of five-to-one. But ...

Spring skies reveal some of the best galaxies visible to backyard telescopes.

The discovery of CDG-2 began when a team of astronomers investigated tight groupings of stars called globular clusters, which ...

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.

NASA has spotted what could only be described as a "space volcano" erupting in a long-dormant galaxy, reversing a theory that ...

Astronomers have spotted a galaxy so faint, it’s almost invisible — a discovery that could help illuminate one of the most ...

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies remains nearly invisible—low-surface-brightness galaxies dominated by dark ...