Steven Spielberg discusses his new UFO film "Disclosure Day" on Michelle Obama's podcast, saying it explores whether aliens have already reached Earth.

Swipe Down for Full Video Story Could intelligent alien civilizations really exist somewhere beyond Earth? As advanced telescopes continue discovering new potentially habitable worlds every year, that ...

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

One of humanity’s biggest questions just got a jaw-dropping answer, and it’s coming straight from the top. Jared Isaacman, NASA’s boss, has weighed in on whether we’re alone in the universe… And his ...

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.