An Earth-like planet spotted outside our solar system is the first found that could support liquid water and harbor life, scientists announced today.
I always wonder what the cultural, religious, etc. implications of discovering extraterrestrial life (intelligent or otherwise) will be. I will predict that at the very least it will take several generations for the full effects of such a discovery to play out.
Edit: Oh, and they are calling it Gliese 581 C. We need a better name than that. Not "New Earth" perhaps, but certainly something more interesting than Gliese 581 C.