"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

A new image shows Arp 105, a dazzling ongoing union between an elliptical galaxy and a spiral galaxy drawn together by ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

The Hubble Space Telescope captured the rare merger of two galaxies, which are forming what's been dubbed a "cosmic guitar." ...

Scientists didn't expect that stars would be able to still form in the dwarf galaxy known as Leo P, which the James Webb Telescope recently imaged.

An ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting ...

A supermassive black hole that doesn't appear to be where we would expect seems to be travelling at more than a thousand ...

As they soar through space, they may steal gas and stars from other galaxies, or even engulf and merge with them," ESO officials said in a statement accompanying the new image. "After these events ...

Galaxies grow by accumulating gas and merging together. But many smaller galaxies, known as dwarf galaxies, have persisted throughout cosmic time without merging with others – intriguing ...

NASA and SpaceX on Wednesday night scrubbed the Falcon 9 launch of a flight intended to retrieve from the International Space ...