Life in the Arctic is brutal. Food isn't always readily available, so the fight for food can turn ugly pretty quick. An encounter between a male polar bear and a mother with her cub turns ugly pretty quick. After taking off with her cub after they got too close to the male, it doesn't take long ...

They weren't lying when they called this fight between a sloth bear and a tiger a "Clash of the Titans." Judging from how it looked at the beginning, we would've put money on the tiger to have ended this quickly and easily — we would've lost that bet.

It doesn't sound possible, but Red Bull has created a 400-meter race that looks tougher than a full-on marathon. That's because the race involves running up the side of an incredibly steep mountain. It's so steep that it looks like one misstep could send you violently tumbling toward the bottom. ...

There's nothing quite as relaxing as being on the water. Whether it's a day of fishing or taking a dip in the middle of a hot afternoon, life is better when it involves water. Apparently, water doesn't always feel the same about us. In fact, sometimes it looks like it has a mind of its own and ...

Skipping the line is something we're taught not to do from an early age. Whether it's the line to get food or the line to the bathroom, skipping the line will either get you kicked out of it or you'll face the wrath of those you just skipped. A warthog experienced the latter after attempting to ...

Nature is brutal. Sometimes the most brutal side of nature can be seen through interactions within the same species, like this fight over territory between lions. In the video, lions from the Othawa pride and Majingilane males are seen as they fight and kill an adult Ximhungwe lioness. The lions ...

It looks like this crab enlisted the help of an army of other crabs to get revenge on any octopus it crosses paths with. These spider crabs don't just kill an octopus, they rip it apart in a display of sheer brutality. Next time we see a group of spider crabs we'll know to slowly back away before ...