"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

In Pythagoras' harmony of the spheres, celestial bodies follow mathematical proportions that correspond to musical intervals.

There are planets out tonight that are being mistaken as stars! Can you believe that? Planets as stars. Gina Cornejo spits ...

A beloved figure in American roots music, Todd Snider has died at 59. His record label announced Saturday that Snider died ...