Deep in Antarctica's murky waters, scientists have found new, bizarre creatures that grow to abnormally large sizes.

Guards tranquilized a pregnant tiger in India and rescued it from the date palm tree it climbed to avoid local villagers.

Scientists taking a census of Southern Ocean marine life found an abundance of odd-looking critters, including "sea spiders the size of dinner plates."

Six new denizens of the deep—from crustacean-crushers to pale and fleshy-lipped eelpouts—were found recently in oceans off Antarctica.

Enigmatic corals that can live for at least 5,000 years may fill in large gaps in the evolutionary and climatic records, scientists say.

Swallowing handfuls of soil before or after eating certain leaves helps chimps in Uganda "self medicate" against the parasite that causes malaria, a new study suggests.

Giant sea spiders and other species are among thousands of creatures—a quarter of them previously unknown—found in the icy depths of the Southern Ocean.

Sharks follow well-used migration routes to popular feeding spots—areas that could be set aside for conservation, experts announced at a recent meeting.

Scientists working in Madagascar have found what may be the largest frog that ever lived—and it had an attitude to match, experts say.

After 450 million years swimming the ocean, some shark species are on the verge of extinction—mainly due to over-fishing.

A new monkey debuted in a London "rain forest," a beagle bounded to glory in New York, Japanese children huddled in igloos, and more.

As Earth's oceans heat up, king crabs and sharks expanding into new habitats may decimate native species that are unable to cope with the strong, fast-moving predators.

Halfway between Hawaii and Fiji, the California-sized ocean wilderness includes pristine reefs and eight coral atolls teeming with fish and birds.

Australia's first Asian elephant pregnancy comes with controversy—accusations the female is too young to breed.

Two new species of two-legged carnivores were recently unveiled: one that hunted like a shark and another that may have eaten like a hyena, researchers say.