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

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

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

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

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times faster than in the Milky Way. Astronomers using the Hubble Space ...

Astronomers using the Hubble Space Telescope announced Wednesday that they had peered through time to photograph seven galaxies that formed early in the evolution of the universe and could help ...

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

The image features one of the most visually intricate remnants of a dying star: the Cat’s Eye Nebula, also known as NGC 6543.