A forgotten science-fiction miniseries from 2015 adapted one of Arthur C. Clarke's very best books in just three episodes.

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

Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

'This one's exciting.' ...

William Shatner appeared to have the charm dialed all the way up on Saturday as he had CNN’s Laura Coates and Brianna Keilar laughing at nearly every word during a Star Trek lightning round. Shatner ...

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.

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

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...