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

Astronomers have identified GJ 3378b, a super-Earth located 25 light-years away, in the habitable zone of its star, raising ...

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

LEGO's latest Ideas set renders E.T. the Extra-Terrestrial as a 1,226-piece posable figure with an integrated light brick ...