Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Researchers encountered a new species of octopus while scanning the ocean floor off the Galapagos Islands – and it may be from out of this world.

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

Harvard astrophysicist Avi Loeb examines Pentagon UFO files, urging scientific investigation into unexplained anomalies. He ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...