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 ...

Burmese pythons are among the largest snakes in the world. Adult animals average between 10 and 16 feet long, according to the University of Florida. The large, nonvenomous constrictor snakes are ...

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 ...