Open your presents early this year. Even though the world showed no signs of ending on Friday, the Mayan calendar is notoriously tricky. One German researcher says that Dec. 24th could be the big day.

Artist's conception of the rogue planet Nibiru, or Planet X. On Friday, Dec. 21, some say, the Mayan apocalypse will arrive and the world will end. Fortunately, it won't. A bold claim, we know ...

Sea monster myths. In some Mayan creation myths, the shark-like sea monster Sipak is killed by a god or mythical hero who forms the land from its carcass, Newman said.

Maya inventors present their ideas to a panel of entrepreneurs, hoping for an investment of cacao beans, in this entertaining reality TV parody. ... KS2 / KS3 History: Mayan Innovations & Inventions.

Sea monster myths. In some Mayan creation myths, the shark-like sea monster Sipak is killed by a god or mythical hero who forms the land from its carcass, Newman said.