Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

Creating a believable alien world takes more than imagination. It requires biology, environmental logic, and evolutionary pressure. The Birrin ecosystem follows scientific rules every step of the way.

You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy expectations. They're real places you could visit with nothing more than a plane ...

This video reacts to the Kurzgesagt episode about aliens under the ice and the possibility of life on rogue planets drifting through space. It explains how frozen worlds hidden oceans and internal ...

Despite a few underdeveloped ideas, Planet of Lana 2 is a bigger, smarter, and even better-looking puzzle-platformer than the charming original.

Former U.S. President Barack Obama said he did not see evidence that aliens "have made contact with us," after sending social media abuzz by saying aliens were real on a podcast over the ...

Add Yahoo as a preferred source to see more of our stories on Google. SAN DIEGO, Calif. (FOX 5/KUSI) — Dr. Neil deGrasse Tyson is coming to the Civic Theater in San Diego to talk about the planets and ...

For nearly five decades, Steven Spielberg has helped define what alien stories mean to movie audiences. Sometimes they arrive as cosmic miracles. Sometimes as existential threats. Sometimes as ...