A challenging optical illusion is testing animal lovers' observation skills. A photograph taken in the wild features a ...

You're giving off IR right now. Every object in the universe with a temperature above absolute zero (i.e., -459.8° Fahrenheit or -273.15° Celsius) emits some amount of infrared radiation. Things that ...

Pit vipers (subfamily Crotalinae), such as rattlesnakes and copperheads, have specialized heat-sensing pits between their eyes and nostrils, allowing them to detect the body heat of warm-blooded ...

Rattlesnakes would much rather retreat when given an escape route, but some rattlers are quicker to defend themselves than ...

Cottonmouths, copperheads and rattlesnakes are pit vipers and Vandeventer said, generally speaking, their venom is a hemotoxin which attacks red blood cells and blood vessels.

The tests took place in a small arena with specific time intervals. This was to avoid stress and prevent the snakes from ...

A VENOMOUS viper is perfectly camouflaged just five feet away from a photographer on the forest floor – but can you spot it?The snake’s brown and ...

Brazilian pit vipers can locate prey in total darkness and their venom is highly poisonous. Scientists "knew that banana plantation workers who were bitten by the snake quickly collapsed from a ...

Crocodiles, pit vipers, boa constrictors land in a legal battle Amber Hildebrandt · CBC News · Posted: May 18, 2011 1:48 PM PDT | Last Updated: May 19, 2011 ...

When a pit viper lashes out, the reptile can strike with up to half of its total body length. Some have been clocked moving their heads at 8 feet (2.4 meters) per second in the process.