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” ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

To the disappointment of Judgment Day fans, The Rapture did not happen as predicted at the end of September, but keep your fingers crossed for November, when aliens are expected to invade. This one's ...

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 ...