A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white ...

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

Sea moss is rich in nutrients—but it can also contain dangerous levels of heavy metals and iodine. Here’s what to know before ...

"Milky seas” are one of the rarest reported forms of bioluminescence. A new scientific database may finally reveal the ...

Travel to the Indian Ocean to discover Tanzania's lush, history-rich islands, each with their own unique magic and ...

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

In 2013, the blobfish was voted World’s Ugliest Animalby theUgly Animal Preservation Society in an effort to get some attention for creatures who aren’t exactly panda-cute. Th ...

The Argentinian marine biologist and conservationist has spent the past 36 years championing the world’s penguins and their ...

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

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