Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive ...

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 ...

Modern anacondas and pythons are massive, but fossil evidence shows they are not even close to the largest snakes to ever ...

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 minutes underwater dictates the specific aquatic reach of the green anaconda.

The longest snake native to North America is the Eastern indigo snake, which can reach lengths of almost nine feet. While Eastern indigo snakes were historically found in parts of Louisiana, they are ...

Georgia Wildlife says this state has the highest biodiversity of snakes in the U.S. with 47 species of which seven are venomous. But what's the story on the biggest and whether or not it poses a ...