Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in the human mouth. So what are these long, sharp ...

Raccoons are medium-sized mammals that are native to North America and Mexico. These critters have also been introduced to ...

A beachgoer was shocked to discover a rarely-spotted fish, with a monstrous-looking body shaped like a football, washed up at a California beach last week. Crystal Cove State Park shared pictures of ...

Tens of million years ago, sand tiger sharks hunted in the waters off the Antarctic Peninsula, gliding over a thriving marine ecosystem on the seafloor below. All that remains of them today is their ...

Conservationists are telling anglers to cut the head off a predatory, reptile-looking fish that can breathe air if they find one. The northern snakehead is an invasive fish species with a fitting name ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T. rex ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...