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

NASA said CDG-2 “may be among the most heavily dark matter-dominated galaxies ever discovered” ...

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

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

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.

A major recent development has painted a clearer picture of the universe as NASA has began checking Hubble's images after ...

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

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 ...

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

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 ...

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