This story appears in the November 2012 issue of National Geographic magazine ... the extra speed helps the penguins avoid predators such as leopard seals.) The key to this talent is in the ...

This last possibility made us rethink the interpretation of a famous encounter between a wild leopard seal and National Geographic photographer Paul Nicklen. On entering the water, Nicklen was ...

Husband-and-wife team Cotton Coulson and Sisse Brimberg have been taking photos for National Geographic magazine ... You have a chance to photograph leopard seals, humpback whales, and penguins ...