The dreaded, invasive Asian carp could be entering the Great Lakes, posing a serious threat to not only the ecosystem but fishermen on boats.

Sharks are the oceans' most efficient predators and have evolved to fit a wide range of bizarre ecological niches. Here are ten of the strangest.

Just as Peyton Manning and Drew Brees are known for great downfield vision, sea urchins, hammerhead sharks and bees possess quite eye-opening visual skills.

It would be easy to see Claire Morgan's installation art as macabre. But at its heart, it's more about a healthy fascination with science and nature.

Sphynx cats make up for their lack of hair with an abundantly affectionate personality. If cat hair's not "fur" you, then a Sphynx cat just might be!

These unforgettable viral videos show animals at their cutest and at their most human. These are the adorable memes that just keep going and going.

Unseasonably cold weather and globally warm scenarios pose grave animal dangers to tropical fish, sea turtles, colobine monkeys, gorillas and other marine animals.

These spiders' bold faux faces and smile-like markings aren't there to make you laugh, instead they serve to scare and confuse potential predators.

Our bodies contain more bacteria cells than human cells. They're in our mouths and guts, on our skin, and they can both help us and hurt us.

Seemingly mild creatures like cleaner fish, damselfish and fruit flies have recently shown that they have surprising wild sides when push comes to shove.

Arachnophobia: the irrational fear of spiders. These hairy 8-legged, multi-eyeballed spiders may inspire fear, but get up close and they look almost cuddly.

From past (venomous dinosaurs) to present (venomous jellyfish) to future (venom treatments), the evolution, dangers and benefits of venom continue to surprise.

Mundane subjects like feathers, human taste buds and a drop of pond water become utterly fascinating and even beautiful when photographed with microscopes.

From insects and brain size to genetically-altered mice and Alzheimer's to sea lions and toxic brain damage, these animals help educate about the brain.

Using 25 of a cat whisperer's extraordinary images, here are 10 large cats we might not normally get close enough to say, here kitty kitty, smile for the camera.