Pentagon officials say that the danger of "unidentified aerial phenomena" is very real for military aircraft and potentially national security. An intelligence report released last year counted 144 sightings of flying objects that U.S. officials couldn't identify. Lawmakers were shown several ...

Do you believe we're being visited here on Earth? A Gallup poll says 4 in 10 Americans now think some UFOs that people have spotted were alien spacecraft visiting Earth from other planets or galaxies. This is up from a third saying so two years ago. This number has climbed because for the ...