Are there aliens watching us?
AS ASTRONOMERS scan the universe for signs of intelligent life, a group of researchers predicts other beings just might be looking at us.
A scientific paper published in this week's online edition of Astrophysical Journal suggests alien astronomers armed .
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 .