In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose venom may yield new life-saving drugs.

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries. An orca calf and adult swim in the Norwegian fjords. Orcas have been among ...

The California-based Animal Legal Defense Fund works to prevent animal abuse and strengthen anti-cruelty laws, but they also have a lighter side, regularly releasing their Top Ten Weirdest Animal Laws ...