Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

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

Fire In the Sky was based on the 1978 book The Walton Experience from real-life logger Travis Walton. In it, Walton details ...