Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

For more than 60 years, scientists have been scanning the skies for signs of intelligent life beyond Earth. Using powerful telescopes, they have searched for unusual radio signals, brief laser flashes ...

There’s a reason why the idea of aliens living at the bottom of the sea keeps popping up in popular culture. Many of us are far more afraid of what lies down there than whatever is looking at us from ...

Steven Spielberg returns to alien storytelling with Disclosure Day, a global thriller exploring what happens when humanity learns we are not alone.

Daniel Whiteson and Andy Warner’s upcoming book is a philosophical exploration of the humanity behind our desire to find aliens. Reading time 6 minutes At Gizmodo, we love a good story about ...