A photographer captured two young grizzlies playfully engaging with each other on film. Things start sweet and get a little bit serious.

When a 13-year-old boy started down a zipline in Costa Rica, the last thing he expected was to “clock” a sloth straight in the face.

Tom Waddington is solo rowing the north Atlantic Ocean, but he wasn’t so solo when pilot whales swarmed him. He loved and hated it.

A baby moose was stuck between a dock and the float of a seaplane. A Good Samaritan wanted to help, but mama moose wasn’t having it.

A mountain biker’s recent video of him riding a barely there ridge in the Italian Dolomites is terrifying, and we can’t stop watching.

A pair of Irish hikers didn’t let a disappointing view spoil their fun. The two made a viral video making fun of the relatable situation.

A black bear in Colorado found its way to a Renaissance Fair and set up camp beneath a honeycomb shop—probably for the free smells.

A mountain lion got stuck in the courtyard of a southern Arizona hospital, and it wasn’t happy to be there. Here’s what happened.

An SUV with five people inside careened off the road in Yellowstone National Park and crashed into a hot, acidic geyser. Here’s what we know.

Have you ever seen a sea turtle dance? A rare Kemp’s Ridley sea turtle showed off its unique dance moves. Here’s why.