From rattlesnakes to cottonmouths, venomous snakes remain a backyard reality across much of the U.S. Here are the most common ...

A venomous cottonmouth is giving people the willies on social media, after a video recorded by an Alabama biologist showed the snake was caught blending in perfectly with ground cover. Cottonmouths, ...

From dense jungles to the depths of the world’s oceans, certain creatures dominate their habitats due to their lethal venom.