A groundbreaking new book, UFOs: Generals, Pilots and Government Officials Go on the Record, by Leslie Kean, has been called "the most important book on the phenomenon in a generation."

It is both intriguing and puzzling that the two scientists disagreed about the most crucial question in this case: Did the same unidentified aerial phenomenon, or UAP, appear on two separate cameras?

It's been said there's no such thing as bad publicity, but when the stars of your own show give it a thumbs-down, that might be the exception. The...

Thousands of people who believe in UFOs and think the U.S. government knows more than it admits were hoping for a breakthrough last month when they si...

Unemployment, gas prices, and fear over global warming aren't the only things skyrocketing -- so are mysterious objects rocketing through the sky. ...

• In 1986, a Japan Airlines pilot saw what he described as an unidentified flying object over Alaska closely tailing his 747. He made an evasive mov...