A giant star in the Andromeda Galaxy has vanished without a trace, leaving scientists puzzled and intrigued. First observed ...

KOIN 6 viewer Jim Preusse caught a unique view of Monday night and Tuesday morning's northern lights from along the Oregon ...

The northern sky's greatest galaxy gets its familiar name from the northern constellation where it resides, Andromeda the ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a prodigious number of stars in the Andromeda galaxy. The Andromeda galaxy is a colossal marvel in our sky, ...

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

The Space Force posted a request for proposals yesterday for its next generation of "neighborhood watch" satellites for on-orbit space domain awareness. For the Andromeda indefinite-delivery, ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

The Andromeda Galaxy (M31) is the largest member of the Milky Way’s gang of galactic neighbors, known as the Local Group. With around a trillion suns worth of mass, Andromeda’s gravitational influence ...