October 11, 2012 It's big, it's blue and no one's sure yet what or where it came from. A squid? A whale? Big Foot? See if you can help solve the mystery.
October 11, 2012 The cub was about a week old when it died on Sept. 23. Tests since then show that her lungs didn't develop properly, which affected how much oxygen she was getting and in turn damaged her liver.
October 5, 2012 Many birds seek out anthills, but not for a snack: They just want to roll around in a pile of insects. Some scientists think this strange behavior serves as a form of insect repellent. Others maintain that "anting" is a fun, pleasurable (and maybe even habit-forming) experience for birds.
September 28, 2012 Angry pet owners who believe contaminated Waggin' Train chicken jerky strips killed their pets are targeting the stores that sell them. Meanwhile, the FDA says it doesn't have enough evidence to issue a recall.
September 26, 2012 Scientists have discovered that a mouse found in Africa can lose large patches of skin and then grow it back without scarring, perhaps as a way of escaping the clutches of a predator. It's a finding that challenges the conventional view that mammals have an extremely limited ability to replace injured body parts.