A viral video shows two vandals destroying ancient rock formations at Lake Mead National Recreation Area. Here’s what we know.

Orcas are truly the ocean’s top predators. Have scientists discovered a new orca species? A new paper makes a compelling case.

A labrador retriever failed drug-sniffing school, but he’s found his life’s purpose rescuing quake victims.

Here’s something you don’t see every day: A husky casually hanging out with some Kamchatka brown bears in the wilds of Russia.

This guy might have a death wish. Watch as mountain biker Kilian Bron rides a narrow cliff ridge and more.

A three-legged deer made a welcome cameo on a trail cam in Maine. Watch as she boops the camera and proves if there’s a will, there’s a way.

Starting this weekend, you may need a reservation to get into Yosemite National Park. Here’s everything you need to know.

Shawn Miller is out to keep hermit crabs out of plastic trash and in the homes they deserve—actual seashells.

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.