Add Yahoo as a preferred source to see more of our stories on Google. This illustration shows a possible view from Earth of the early stages of a predicted merger billions of years from now between ...

Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with our closest major neighbor the Andromeda galaxy, is moving toward a future collision. These are not small systems ...

Imagine you somehow wake up after 4.5 billion years. When your alarm goes off at 5 am, you step outside because you have made a promise to yourself to get some fresh air first thing in the morning.

When it comes to the Milky Way and Andromeda galaxies, there’s a whole “will they or won’t they” thing going on. In 2012 scientists published their results of Hubble Space Telescope observations ...