A gray whale treated some whale watchers to the show of a lifetime when it came up to the boat, laid on its side, and opened its mouth.

Australian researchers were absolutely floored when a tiger shark barfed up an entire echidna—spiky quills and all.

Wildlife photographer Erin Braaten captured the photos of a lifetime this week in Yellowstone National Park: a newborn white bison calf.

It’s rare to spot a Bornean clouded leopard in the wild, but to spot a whole family of Bornean clouded leopards? That’s next level.

There have been two separate cow elk attacks on children in the past week near Estes Park, Colorado. What’s going on?

Watch the incredible moment an octopus changes color from stark white to bright orange-y red, caught on film in the U.K.

Watch a black bear vs. black bear fight caught on a trail camera in Colorado. Colorado Parks and Wildlife calls it “play.”

A video shows a deer swimming in the Pacific Ocean off the central coast of California. It’s a bizarre sight.

First cicadas, now Joro spiders? You’ve seen the headlines about “giant venomous spiders” invading the East Coast. Here’s are the facts.

A mountain lion called “P-77” recently gave birth to three female kittens in the Simi Hills of California. They are adorable.