A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to ...

In 2013, the blobfish was voted World’s Ugliest Animalby theUgly Animal Preservation Society in an effort to get some ...

Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the ...

For years, scientists felt like the fish they were watching watched them back. A new study suggests they can recognize a ...

The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do.

Climate change is also driving penguins to colonize new areas, or to stay in regions longer than they normally would, ...

Sea lions do not often attack humans, but a slew of recent assaults points to an algae that scientists say is poisoning the ...

Found primarily in the Gulf of Mexico, but also as far north as Nova Scotia, Kemp’s ridleys are among the smallest sea turtles ... Highly migratory animals, they often travel hundreds of ...

A hidden ecosystem of giant sea spiders, octopuses, and other stunning sea creatures shows how life can flourish even when ...