Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

Human-alien hybrids fill science fiction stories, and the most famous of these is Mr. Spock from Star Trek — the logical science officer of the starship Enterprise. Seeing such real-life beings born ...

One night about 60 years ago, physicist Enrico Fermi looked up into the sky and asked, "Where is everybody?" He was talking about aliens. Today, scientists know that there are millions, perhaps ...