A look at the question of whether we may have found signs of alien life.

A self-proclaimed time traveller claims aliens will make contact in 2028, sparking online debate. His assertions, made during ...

The 300-foot-tall anomaly, which stands in stark relief to its lunar surroundings, has intrigued observers for years. More ...

Researchers found this material on the meteorite, which entered Earth's atmosphere moving faster than the speed of sound.