EXCLUSIVE: The visual design behind the mysterious aliens in Steven Spielberg's Disclosure Day is explained by screenwriter David Koepp.

Add Yahoo as a preferred source to see more of our stories on Google. You don't need any film experience to take on the title role in an "Alien" film: you just have to be 7 feet or taller. Stick ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the strangest corners of Earth, where researchers on several continents are using ...

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