In this gripping footage, determined eagles relentlessly pursue a vulnerable kangaroo, repeatedly swooping down to seize its head. The brave kangaroo fiercely defends itself, ultimately managing to ...

Did you know that killer whales roam the depths of the ocean in packs, and through their collective strength can take out large predatory sharks as well as other whales? Watch this video to learn how ...

Koala populations need protection from STDs, and now they will have it. Read about a new chlamydia vaccine that will help them.

Capybaras are cute and friendly rodents that are loved by many. Find out why they may soon be hunted in Colombia.

Can you imagine coming face-to-face with the largest tarantula in the world? This massive arachnid is the king of creepy crawlies!

Male bullfrogs fight each other in a pond in order to establish dominance and the chance to mate with a female bullfrog.

These fierce birds use strong legs and fast stomps to defeat venomous snakes, like cobras, with ease. Learn more about ...

Known as the "volcano snail," the scaly-foot snail is the only marine animal with an outer layer of iron armor.

Learn about great white sharks like Deep Blue and Breton, and their fascinating migration patterns. Unlike the fearsome image in *Jaws*, great whites eat only every few days, consuming 2-3% of their ...

Crocodiles tend to inhabit dens, but these resting places can typically be found just a few feet underground. However, ...

A new study suggests that whales produce water bubble patterns to communicate with each other, and possibly, humans.

Learn how goliath groupers reach up to 8 feet and live up to 50 years in reef habitats. These giants can weigh over 800 pounds.