While documenting leopard seals in Antarctica for a 2006 National Geographic magazine story, photographer Paul Nicklen had an experience that he says "will stay with me forever" (see Nicklen's photos) ...

An icy world is in meltdown, amid penguin population shifts An icy world is in meltdown, amid penguin population shifts Leopard Seals Are Bullies, Thieves, New Video Shows Leopard Seals Are Bullies, ...

Leopard seals are an abundant species of predator in Antarctica. These large, carnivorous sea mammals live in the water and around the ice of one of the most unfriendly and harshest environments on ...

Kirsty Brown, 28, was snorkelling in the Antarctic Peninsula when a leopard seal dragged her underwater and refused to let go ...

Martin and Chris with their Penguin powers do a little swimming. Under the water the brothers watch Penguins hunt for fish. They talk about the Predators of the pengusin the Leopard seal and Orca, ...

Oceans today are home to a variety of seals, ranging from leopard seals darting through Antarctic surfs in pursuit of a penguin to endangered Hawaiian monk seals lounging on sunlit shores. But how did ...