Tiny traces of alien technology could, in theory, be preserved in the moon's dusty surface, and scientists are now urging that future missions deliberately search lunar regolith for such microscopic ...

Diggers unearth two giant bones and mysterious metal object that was created before humans even existed. See more in this ...

Add Yahoo as a preferred source to see more of our stories on Google. Man sees a strange object in the sky UFOs have become almost inseparable from the idea of aliens, but science treats those two ...