Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

The Andromeda IDIQ contract vehicle will fund a replacement for the current GSSAP on-orbit inspection satellites as well as the classified SILENTBARKER space surveillance birds.

Add Yahoo as a preferred source to see more of our stories on Google. A hypothetical view from Earth as the Andromeda galaxy (on left) is about to collide with part of the Milky Way galaxy. Our Milky ...

Our nearest major galactic neighbor is a cosmic cannibal. And it's heading this way eventually. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.

That's how long it's been since Mass Effect: Andromeda launched, and that's how long it took BioWare Montreal to admit that nothing more can be done with the ailing game's story mode. Technically, it ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This illustration shows a stage in the predicted merger ...

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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 ...