Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

Dr. Pierre Martin and his team created an animation showing two galaxies colliding more than 440 million years ago.

Earth is not only orbiting the Sun it is also traveling through the Milky Way on an enormous galactic journey. In this video ...

A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic ...