Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

What would happen if someone proved that aliens exist? Would governments reveal the information to everyone, or keep it ...

Real or imagined, aliens challenge our beliefs of what it means to be human. July 2, 2013— -- Today is World UFO Day. People in different countries are coming together to share stories about ...

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 ...