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

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described nightmarish squid-like Martian invaders in The War of the Worlds, while the ...