Which animal is the fastest aquatic mammal in the world? Discover why dolphins hold this title, along with their swimming ...

One of the most attractive critters at the zoo splashes through frigid waters: polar bears, the beauties of the Arctic Circle ...

Our biologists are now working on reunification efforts to get the cub back where she belongs,” said a California Department ...

Slowpoke, a 49-year-old walrus at SeaWorld Orlando, has died, the theme park said. "At approximately 49 years old, she was the oldest walrus in our care and an incredible ambassador for her species," ...

On Sunday, Jan. 25, children 12 and younger and their parents gathered at Prado Park Equestrian Center in Chino to interact ...

From the reintroduction of grey wolves in Yellowstone National Park to throwing pufflings off cliffs, there are times when human intervention has proved successful ...

Cellphones around San Francisco buzzed late Monday night with a very unusual alert: A young mountain lion had been spotted ...

Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

A California sea lion was pulled from Ballona Creek in Los Angeles by wildlife rescuers — who later shockingly discovered the marine mammal had been shot in the head twice and survived. The adult male ...

A sea lion hopped onto a woman's kayak in La Jolla Cove and made himself comfortable next to her, but she resisted his advances and followed the recommended guidelines of staying at least 50 feet away ...

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen at around 250 meters. The discovery came amid findings of vast coral reefs and suspected new species.

This is the adorable moment a tourist in a boat off the coast of Cabo San Lucas, Mexico gets to live out her dream on January ...