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

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby ...

A surprising discovery at the heart of the Milky Way is forcing scientists to rethink how massive structures called Fermi ...

Back in 2010, scientists spotted something shocking: a pair of gigantic, glowing lobes of gas bursting from the Milky Way’s ...