Most frogs spend their lives eating insects, croaking noisily, and hopping about. They are generally thought of as harmless ...

Scientists have revealed fossils of a giant salamander-like beast with sharp fangs that ruled waters before the first dinosaurs arrived. The animal, researchers say, is roughly 272-million-year-old.

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Bloodworms are predatory marine worms equipped with venomous copper-reinforced fangs capable of puncturing shells and ...

A video of a venomous snake is drawing interest online for one — well, two — clear reasons: When the snake opens its mouth in a yawn-like motion, a pair of very large fangs briefly swing into view ...

Photo by L. Brian Stauffer; specimen (c) Field Museum of Natural History FMNH 11006 At an early age, we realize that sharp things hurt. Rose thorns, cactus spines, dog teeth, and fish bones all share ...