extraterrestrials

In the search for extraterrestrial life, scientists have turned over all sorts of rocks. Mars, for example, has geological features that suggest it once had—and still has—subsurface liquid water, an almost sure prerequisite for life. Scientists have also eyed Saturn's moons Titan and Enceladus...

I think many people already feel confident that both primitive, and intelligent life is out there in the universe. Thus, they would probably feel excited to finally confirm that it exists. However, I'm sure they would be terrified if it came to earth. Our own planet has all sorts of large...