The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

Want the best view of the Lyrid meteor shower? Here's when to look up for the best chance of catching the springtime shooting stars.

Don Pettit's birthday "party" brought together Russian recovery teams in Kazakhstan, where it was April 20 (his birthdate).