An ultrarunner did not expect his 50-mile run into Yosemite Valley to end with an unwanted bear hug. Here’s what happened.

In a battle of wolf pup vs. squirrel, the pup learns a valuable lesson. Sometimes, lunch bites back. Watch it here.

When bears find stuffed teddy bears in the forest, it’s time to play. Check out this trail-cam footage from Montana.

The magnificent tree frog isn’t supposed to be blue. But this one is. Meet the rare blue frog that might be the only one of its kind on Earth.

Scientists spotted a newborn pygmy blue whale calf swimming with its mother and captured some beautiful photographs.

A snake died after biting itself repeatedly on the side of a road, but you’ll never guess why. Here’s the explanation.

An absolutely massive black bear came for the birdseed and stayed for the chill vibes of one Washington backyard.

A venomous snake bit a man in India. Then, the man grabbed the snake and bit it back. Which one died and which one survived?

A visitor to a crocodile park in Australia filmed a crocodile’s attempt to climb the fence in its holding area.

Watch as two large snakes really go for it on a veranda roof in Australia. But what, exactly, are they doing?