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

Steven Spielberg once again made a movie that focuses on aliens coming to Earth, so it's probably worth watching some other ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

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

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

In virtual experiments, AI repeatedly misread dead digital organisms as self-replicating life.

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

A prequel tried to avoid one fan-favorite character’s swagger, but the result became one of the franchise’s strangest misfires.

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

Netflix: 30 of the Best Sci-Fi TV Shows You Should Stream Right Now ...