Anacondas have been giant for millions of years, a new study finds. The enormous snakes' average body size has remained constant since they first appeared in the fossil record about 12.4 million years ...

Snakes come in all sizes today, from tiny thread snakes no longer than a pencil to green anacondas that rival small cars in length. You already know the anaconda as one of nature’s heavyweights.

Add Yahoo as a preferred source to see more of our stories on Google. Green anacondas easily reach 20 feet long, and sometimes even longer. At roughly the length of a small school bus, anacondas are ...

Anacondas have been giants of the animal world for over 12 million years, reveals new research. Analysis of fossils from South America shows that the tropical snakes reached their maximum size 12.4 ...