Scientists discovered more than 100 potentially new species during a recent research trip to Bounty Trough off the coast of New Zealand.

Just weeks after a deadly mountain lion attack in El Dorado County, California, another cougar was filmed walking through a residential area.

An almost eight-foot alligator broke into a house in Florida, and the homeowner found it in her kitchen. Here’s the story and a video.

This prairie chicken’s mating dance is so silly, it’ll make your day better. Which part of its jig do you think will win a hen’s heart?

A pika is an adorable small mammal that squeaks like a dog toy when it opens its mouth. Watch and listen here.

Here’s an unexpected ways climate change may impact species’ survival: their ability (or inability) to mate in extreme weather.

A tourist got much too close to a marmot in Rocky Mountain National Park, and it didn’t go so well, according to a witness.

A man filmed a mountain lion through some glass windows after the cougar came sniffing around his Sun Valley, Idaho home.

During today’s total solar eclipse, animals may becomes confused or anxious. Here’s a look at animal behavior during a solar eclipse.

Nothing can prepare you for the sweet moment when a baby sloth sees its mom again. No matter what you’re expecting, it’s better.