Green Mambas and Boomslangs look quite similar. Discover the differences between these two dangerous green snakes.

Both snakes are deadly, but which is more venomous, aggressive, or lethal to humans in a real-life encounter? Find out how they compare.

Snakes don’t always get credit in the brains department. With no limbs and a blank stare, they’ve been cast as simple predators, slithering on instinct, but some snakes are surprisingly clever.

Covering more than 2 million square miles in South America, the world's biggest tropical rainforest hides lots of scary secrets—and some beautiful ones too A look inside the rainforest The Amazon ...