Here's a rundown of 21 celebrities who believe aliens are real, and what they've said about our extraterrestrial neighbors.

After the famed Betty and Barney Hill encounter in 1961, alleged alien abductions were everywhere—and most of the tales ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet ...

Astronomers have captured the first direct evidence of a daily weather cycle on a planet outside our solar system. The hot ...

Here's where things truly go off the rails. Emily Blunt plays a Kansas City meteorologist named Margaret Fairchild, who ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...