See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station.

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s vast, super-hot Fermi bubbles—structures thought to be created by a recent, ...

In the vast expanse of the universe, there are cosmic giants so enormous that they stretch our understanding of scale and ...

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.