Scientists were thrilled to film endangered sharks mating in the wild for the first time, and (surprise!) it was a threesome.

A viral video shows a climber struggling to breathe and speak after spending four days in the “death zone” on Mount Everest. Watch here.

A wildlife enthusiast ended up face to face with an ultra-rare top predator in the Everglades—see his video of a Florida panther here.

Imagine gazing up at a tree in the inner-city Brisbane when, suddenly, you see a massive snake reaching its head out of the tree.

A trail-cam video shows two endangered Mexican gray wolves acting like puppies. See the rare footage here.

A man couldn’t stop laughing at the absurd situation he found himself in—a sea of sheep surrounding his vehicle, with no end in sight.

A gang of boat-ramming orcas has struck again, sinking a sailboat off the coast of Portugal. See the viral video here.

Watch a tense standoff between a deer and a mountain lion in Lassan County, California, caught on a trail cam.

A trail cam caught a bald eagle vs. coyote showdown in Washington, and the photos show just how large and fierce these birds really are.

This man has become the first person to swim the length of Lake Powell self-supported. That’s 140 miles in 11 days, pulling 215 lbs of gear.