Purple snakes, known for their rare and striking colors, ... With a wide, triangular head and a muscular physique, this viper has keeled scales that provide a rough texture to its body.

NASA''s Volatiles Investigating Polar Exploration Rover (VIPER) has earned its "neck" and "head," aka its "mast," meaning it now stands proudly at 8 feet (2.4 meters) tall. The photo below, taken ...

Vang Vieng lance-headed pit vipers can reach at least 32 inches in length, the study said. They have “thin” bodies with “triangular” heads, “elongate” snouts and “pinkish-purple ...

Vang Vieng lance-headed pit vipers can reach at least 32 inches in length, the study said. They have “thin” bodies with “triangular” heads, “elongate” snouts and “pinkish-purple ...

Vang Vieng lance-headed pit vipers can reach at least 32 inches in length, the study said. They have “thin” bodies with “triangular” heads, “elongate” snouts and “pinkish-purple ...

Vang Vieng lance-headed pit vipers can reach at least 32 inches in length, the study said. They have “thin” bodies with “triangular” heads, “elongate” snouts and “pinkish-purple ...

Vang Vieng lance-headed pit vipers can reach at least 32 inches in length, the study said. They have “thin” bodies with “triangular” heads, “elongate” snouts and “pinkish-purple ...