At a distance of 2.5 million light years from the Milky Way, it’s hard to believe that Andromeda is our closest neighbouring galaxy. But despite the huge distance between these two elliptical entities ...

A team of astronomers may have detected the gamma-ray signature produced when antimatter particles, or positrons, collide ...

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.

In about 4.5 billion years the Milky Way will smash into the Andromeda Galaxy in an event already dubbed the Andromeda-Milky Way collision. Astronomers are still attempting to predict what it will be ...

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 ...