Stephen Hawking's recent comments on the possibility of life beyond our planet seem to have offended a few people out there, especially these few lines."We don't appear to have been visited by aliens," Hawking said, adding that he discounts reports of UFOs. "Why would they only appear to cranks and weirdos?"It's a fair comment I guess, maybe he's not into reading up on eye witness reports, though just because he said it doesn't make it fact, so why get upset, it's just his opinion, not some...