For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

This has been analyzed in greater depth elsewhere by smarter people than me, but whenever I read or watch sci-fi material this issue almost invariably crops up for me.<BR><BR>On the one hand, we have ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...