Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

Astronomers have detected four small planets orbiting Barnard’s Star, one of the closest stars to Earth, at just six ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.