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

So, blobfish don’t really look like melting ice cream in their natural environment. Underwater, they’re shaped like tadpoles: ...

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

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

Scientists have spent a lot of time thinking about how the nutrients in whale feces—also known as whale pump —benefit species ...

Sea dragons survive on tiny crustaceans such as mysids, or sea lice. It is not known if they are preyed upon by other animals. They are, however, frequently taken by divers seeking to keep them as ...

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 ...

These sea monsters grew upwards of 40 feet (12 meters) long. About half that length was neck, a feature that allowed Styxosaurus to sneak up on schools of fish as it slowly cruised the shallow ...

This story appears in the October 2019 issue of National Geographic magazine. A naked mole rat. That was photographer Joel Sartore’s first model in 2006 when he began making studio portraits of ...

“The animals that depend on the edge of the sea ice for a living will be congregating there in the summer,” says marine ecologist Enric Sala, leader of the National Geographic Society’s Pris ...