Stargazers are in luck this Wednesday, November 26, as two major cosmic sights will be visible to the unaided eye. The Andromeda Galaxy, M31, and the Perseus Double Cluster will be sufficiently bright ...

Tiny Galaxies That Speak Volumes Our Milky Way is surrounded by dozens of smaller “satellite” galaxies. These aren’t mere ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda galaxy. The team includes several UC Santa Cruz researchers who made significant ...

Extragalactic globular clusters millions of light-years away are hiding in your astroimages. Here’s how to find them.

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a prodigious number of stars in the Andromeda galaxy. The Andromeda galaxy is a colossal marvel in our sky, ...

What can heat distribution within galaxy clusters, which often consist of hundreds to thousands of galaxies, teach astronomers about their formation and evolution? This is what a recent study ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?