Four adorable western Santa Cruz Galápagos tortoise babies are now on display at Philadelphia Zoo after their 100-year-old 'Mommy' reproduced for the first time.

Some surfers in Newport Beach had to cut and run after they were chased by a sea lion that may have been suffering from the effects of domoic acid poisoning.

Celebrate Earth Month with a look at Nat Geo's new series, "Secrets of the Penguins," and learn how Disney parks are ...

Caught at the edge of the sea, a mother penguin makes an unthinkable choice: fight or lose everything Sometimes, the fiercest ...

National Geographic's upcoming docuseries, 'Secrets of the Penguins,' captured a shocking encounter between a mother rockhopper penguin and giant, hungry sea lion, and PEOPLE has a first look at the f ...

A baby colossal squid was filmed in the deep sea by an ocean expedition near Antarctica. The world's largest squid has eluded ...

The baby killer whale is the fourth born into the Southern Resident killer whale population in the past 12 months ...

Baby Seal Found Alone on Busy Connecticut Street Being 'Monitored Closely' in Local Aquarium As for humans encountering a sea lion displaying the symptoms associated with DA toxicity, the CIMWI ...

A stranded sea lion suffering from suspected domoic acid poisoning cranes its head on the beach, before being rescued by CIMWI (Channel Islands Marine & Wildlife Institute) volunteers, on March 27 ...

The cause behind shocking sea lion attacks in California has finally been discovered. Animal experts in Los Angeles have been on the hunt for a culprit after several people were repeatedly bitten ...

Related: Baby Seal Found Alone on Busy Connecticut Street Being 'Monitored Closely' in Local Aquarium As for humans encountering a sea lion displaying the symptoms associated with DA toxicity, the ...