NASA's science budget is under threat. Here's what that could mean to the human endeavor of exploration.

On its 35th anniversary, a reflection on what the pale blue dot means to us.

Astrobiologists aren't just looking at other worlds to search for life; they're looking back to ancient Earth and considering alternate biochemistries.

Astronomers are closing in on planets that might be like our own.

Close-ups of the Sun’s coronal loops and a tiny piece of Bennu can teach us a lot.

The Solar System is full of rocky and icy bodies, but this particular galaxy is made of glass.