When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

President Donald Trump made a jaw dropping jibe when he was allegedly briefed on alien “hybrids” living among humans.

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Will Smith, Jeff Goldblum, Bill Pullman, and Vivica A. Fox star in the iconic film, which hit theaters July 3 1996.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...