Monkeys come in an incredible range of sizes, from tiny species that can fit in your hand to intimidating primates weighing over 100 pounds. While many of these species are known for their agility and ...

Learn what rectilinear locomotion is, how snakes use it, and why this slow, straight-line movement helps them move slowly and ...

We investigated the incredible journey of a 4-month-old bar-tailed godwit who flew 8,425 miles in 11 days from Alaska to ...

A Thailand farmer has an incredible job of feeding 10,000 crocodiles! This video shows that during the feeding ...

Swallowtail caterpillars use a unique osmeterium defense that releases foul odors—learn how it works and what it smells like.

Meet New Jersey’s rarest snakes, why they’re endangered, and how locals can help protect them in forests, swamps, and suburbs ...

Discover how naked mole-rat colonies work, from a single queen to worker care of pups in one of nature’s rare eusocial ...

We explain how structures called esophageal papillae stop jellyfish from floating back out of a turtle's mouth when they are ...

At the start of this video, a large monitor lizard crawls through thick brush, appearing to forage. Its head is moving back ...

Discover bizarre deep-sea creatures found off Australia, from a “Game of Thrones” shrimp to zombie worms, uncovered by the RV ...

A rare video of a peregrine falcon hunting a great blue heron was caught on camera. Read here to learn why a falcon might ...

Tasselled wobbegong sharks use their amazing camouflage to hunt prey, waiting to ambush them. Read here to learn more.