New models of Saturn and Jupiter's creations suggest that the ringed planet may have a huge core, while the king of planets has none. Scientists want to know why. Read the full story.

While the specific text of an e-mail claiming a rapist is masquarading as a police officer may be bogus, Snopes says that this sort of thing has happened before. They recommend calling 911 if you are in danger though; the #77 number mentioned in the e-mail isn't used by all police departments. Read the full story.

The Web site for Joss Whedon's upcoming Serenity movie, based on his "failed" series Firefly is online.