The desire to meet aliens has always been with me. But the more I have learned about the Universe, the more I believe that they are probably out there and the less I believe that I am likely to meet ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests alien life could be going undetected because scientists focus more on avoiding false discoveries than missing ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast scale of space.

Nine out of 10 experts in space biology agree aliens exist in the Universe. Two-thirds think ET will be highly intelligent. A survey of 521 astrobiologists and 534 scientists and physicists found 87% ...

The antennas of the Atacama Large Millimeter/submillimeter Array (ALMA) under the Southern Hemisphere sky. (Rex Features/AP) The antennas of the Atacama Large Millimeter/submillimeter Array (ALMA) ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got stranded on earth when his alien compadres abandoned their botany mission. In ...