Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn't frightening ...

When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...

Some people treat the idea of aliens as nonsense, but scientists actually believe that the notion we're alone in the entire universe is alien! The universe is so vast and so unexplored that ...