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

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

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.

Even more riveting is the later struggle to the ocean of each tiny ... Highly migratory animals, they often travel hundreds of miles to reach their nesting beach, usually the same beach they ...

From wild ponies in Virginia to bison in Yellowstone, here are seven wildlife-rich destinations—and tips on how to be a ...

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