Pit vipers, along with several of their snake cousins, marry two senses to better locate prey at night: sight and a heat-detecting ability. Deep pits, which lie on each side of the snake's face ...

My Pit Vipers are the only pair of sunglasses I own that can handle all of the above, and then some. A review on Pit Viper sunglasses for the backcountry. Powder aims to feature only the best products ...

The four types of venomous snakes native to Kansas all share the same distinctive physical feature, a heat-sensitive pit in ...

Cryptic green pit vipers have “long” and “thin” bodies, reaching about 24 inches in length, the study said. Their “triangular” heads have “large” eyes and a “flattened” snout.