Recently released FBI documents from 1955 detailed claims that aliens sent messages to members of one of the oldest UFO organizations in the U.S.

An asteroid impact millions of years ago may have provided a natural incubator for early life on Earth, scientists say.

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...