Watch as this massive iguana enjoys picnic goers' lunchtime leftovers. Plus, find out more about iguanas in Key West.

From harmless water snakes to venomous cottonmouths, discover 8 snakes found along the Trinity River and how to safely spot ...

A rescued jaguar cub named Maya takes her first swim in a heartwarming moment caught on video. See how swimming helped her ...

This plucky cat dives right off the side of the boat and begins swimming like an otter, paddling away with its front and back ...

Habitat loss, disease, and climate change are driving koalas toward extinction. Learn what’s threatening them and how to help ...

Elephants are strong enough to knock over trees. But why do they do it, and how does it benefit the ecosystem?

Discover and watch how this giant Pacific octopus mother lays down her life to make sure that her eggs are safe.

After getting stuck in a fence, a once-scared fox returned to the wild, befriends its rescuers, and becomes a lifelong friend.

These real-life rattlesnake bite stories show how even experts can make dangerous mistakes. Here’s how to stay safe in snake country.

The arthropleura, an 8-foot-long giant millipede that lived 345-290 million years ago during the late Carboniferous period, was one of the largest terrestrial species of its time, predating even the ...

The bald eagle is an iconic symbol representing strength, vigilance, statehood, and freedom for Americans. Watch our video showcasing the 10 U.S. states with the largest bald eagle populations.

With over 500 species of sharks inhabiting the oceans of the world, it’s natural to wonder which ones are relatively docile compared to those that are aggressive, even to the point of being a threat ...