The paradise tree snake has become a master of escape. It will launch itself from a treetop and sail as far as 300 feet to defend itself from predators. Watch video.

A growing number of invasive Burmese pythons have taken up residence in the wetlands of Florida.

The black mamba is Africa’s deadliest snake. In Swaziland, snake handler Thea Litschka-Koen and her husband, Clifton, endeavor to change attitudes and save lives.

(Airs Sunday, June 6) Scientists have discovered that natural poisons and venoms contain chemicals that can be used to create drugs for treating everything from chronic pain to cancer.

(Premieres Sundays April 4 and April 11) New technologies reveal what's behind incredible "moments of impact" - when animals come into contact with each other and the world around them.

Take a look at the reptiles that humans may fear most: Snakes. Look into their secret and very strange world to try to understand them better.

There are not many people in the world who know more about snakes and snake venom than Bill Haast does. Haast has spent more than 50 years working with snakes.