All about Aliens and Ufo's We believe in aliens

Denver UFO sighting The Federal Aviation Administration is investigating a mystery in the sky. A mysterious object flying over Denver nearly caused a mid-air collision Monday evening, 9Wants to Know has learned. As far as investigators know, the mystery object did not .

We are not alone in the universe -- and alien life forms may have a lot more in common with life on Earth than we had previously thought. That's the stunning conclusion one NASA scientist has come to, releasing his groundbreaking revelations in .