Deep inside Ecuador’s Amazon basin, a film crew and a team of biologists set out to capture a television moment and instead stumbled onto a scientific milestone: a colossal anaconda that may be the ...

Among over 30 species of rattlesnake, there is a wide variety of sizes. The smallest rattlesnake species is the western pygmy rattlesnake (Sistrurus miliarius), which only reaches about 18 inches in ...

Deep inside Ecuador’s Amazon basin, scientists have identified a massive new species of anaconda that may be the largest snake ever documented. The find took place during the filming of Pole to Pole, ...

The rivers and swamps of the Southeast are home to the cottonmouth, a venomous water snake famous for swimming, climbing, and sometimes dropping into boats. Also called the water moccasin, this snake ...