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

Could mermaids be real? For centuries, tales of these enchanting half-woman, half-fish beings have captivated our imaginations. But what happens when supposed evidence surfaces, sparking global debate ...

Robert Falcon Scott led an expedition aboard the ship ‘Terra Nova’ and Ernest Shackleton led one from the ship ‘Quest’—but ...

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 ...

After a two week expedition off the coast of Brazil, an international team of researchers discovered 31 new marine species, ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Independence Day didn’t invent or perfect the summer movie, but it arguably understood it better than anything since.

Astrophotographer Efrain Morales captured spectacular footage of China's Tiangong space station as its silhouette buzzed ...

The small alien bus driver character in DC's Supergirl film has a very distinct voice. Here's who plays that character and ...

Steven Spielberg’s recent sci-fi film “Disclosure Day" has loose ties to the High Desert of Southern California.

Oliver Tree, the California-born singer-songwriter known for tracks like “Life Goes On,” “When I’m Down” and “Miss You,” died in a helicopter crash in Rio de Janeiro, according to CNN Brazil. He was ...