Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

The Large Magellanic Cloud is a dwarf galaxy residing near our Milky Way, visible to the naked eye as a luminous patch of ...

Young stars enveloped in a transformative cocoon of gas shine brightly in a new image from the Hubble Space Telescope.

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen ...

A team of Harvard astrophysicists discovered a supermassive black hole at the center of the Large Magellanic Cloud, the Milky ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

Hubble’s latest image reveals the Small Magellanic Cloud (SMC), a nearby dwarf galaxy visible from Earth without a telescope.

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...