Astronomers have completed a stunning massive photomosaic of our closest celestial neighbor, the Andromeda galaxy, comprised ...

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

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

Though we may comfortably reside in the Milky Way, there is a whole lot more ... ever photographs — here are 20 stunning photos from the Andromeda galaxy.

By that metric, the ESA’s Gaia mission is a resounding success. The spacecraft gave us a precise, 3D map of our Milky Way galaxy and has forced us to abandon old ideas and replace them with compelling ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

The first ever close-up picture of a star outside of our galaxy ... in its death throes,” van Loon said. “Even in our Milky Way galaxy we do not have such image.” Massive stars have shorter ...

It seemed that these redshifted galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth. Hubble got ...

It’s beautiful but also a reminder of the ultimate fate that awaits our own Milky Way galaxy. The image was captured using the NOIRLabs’ International Gemini Observatory. NOIRLabs says that ...

Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars.

MILES O'BRIEN: Well, Geoff, if you could imagine a baby picture of our own galaxy, the Milky Way, this is probably what it would look like, according to scientists. This is a galaxy that is about ...

"It's easy to romanticize Hubble and his discovery of the universe beyond the Milky Way galaxy, but his work really stood on the shoulders of a number of people," said Jeff Rich, an astronomer at ...