Who has the best knockoffs and parodies: Superman or the Fantastic Four?

Superhero comics are full of knockoffs, parodies, and shameless copies of iconic characters. And nobody gets copied more often than Superman and the Fantastic Four. Which of them has the best copy-cat characters? We break it down for you. » 7/05/10 4:14pm 7/05/10 4:14pm

Our Alien Origins: 21 Panspermia Tales

Planet Earth might be home sweet home, but is it really humanity's birthplace? We explore science fiction stories where humans come from everywhere but Earth, be it by colonization, alien experiments, or good old-fashioned panspermia. » 2/01/09 2:00pm 2/01/09 2:00pm