If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars.

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic center.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Exoplanets have captured the imagination of the public and scientists alike and as the search continues for more, researchers ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

Radio galaxies already feature mind-bending physics, with supermassive black holes accreting matter at the galactic core and sending out vast plasma jets that glow at radio frequencies. Those larger ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...