A 60-mile-long iceberg known as B9B, right, crashes into the Mertz Glacier Tongue, left, in the Australian Antarctic Territory on Saturday. The collision created a new 48-mile-long iceberg. AP Photo/Commonwealth of Australia hide caption

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Study Suggests Sperm Whales Herd Prey

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Grizzlies Move Into Polar Bear Turf On Hudson Bay

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California Weighs State Registry For Animal Abusers

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Dolphins Clandestinely Killed In 'The Cove'

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An artist's rendering of the 70-million-year-old fish Bonnerichthys. This large bony fish got its dinner much like today's whales, by slurping in water and filtering out tiny sea creatures. Image courtesy of Robert Nicholls, www.paleocreations.com hide caption

toggle caption Image courtesy of Robert Nicholls, www.paleocreations.com

Prehistoric Megafish Ate Ocean's Tiniest Critters

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Scientists Study Dolphins As Model Of Human Health

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Toxin Triggers Epilepsy In Sea Lions And Humans

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Melanie Stetson Freeman/Christian Science Monitor via Getty Images

Hear Why Barb Smut's Glasses Got All Steamy

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Jane Goodall Works To Help Humans, Too

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Jumbo Squid Invade California Coastal Waters

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Listening To Love Songs of African Clawed Frogs

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Arizona Jaguar Symbolizes Hope, Controversy

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What Rotting Fish Reveal About The Fossil Record

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Fossilized Feathers Hint At Dinosaur Color

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