Reuters - Keep those sugarless treats out of Fido's reach. Veterinarians warned on Friday that a commonly used sweetener might cause liver failure in dogs, and perhaps even kill them.

Though many owners can't help but indulge their pets with people treats, new studies show that xylitol, a sugar substitute may be extremely hazardous to the health of dogs. It is advised that owners be careful to keep products such as chewing gum, ca...

Humpback whales get messages across with a repertoire of more than 600 "words."