Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy.

From Children of Time to The Three-Body Problem, these books prove that hard sci-fi can be just as affecting and poignant ...

Space, supersuits, and a slug (that poops popcorn). Milly Alcock as Kara Zor-El in 'Supergirl.' Image via Warner Bros. Pictures We joined Supergirl just 10 days out from the end of shooting, but that ...

Observations with the Allen Telescope Array set new limits on possible signals from extraterrestrial transmitters.