Rahim’s eyelash pit viper can reach up to 19 inches in length, the study said. They have “raised,” “spinelike” scales above “pale straw yellow” eyes.

The new study also accounts for the way pit vipers maintain their thermal sensitivity amid sweeping shifts in temperature between day and night. The researchers said their mathematical model includes ...

Scientists found dangerous 2-foot-long snake with venomous bite and discovered a new species: Vang Vieng lance-headed pit viper, study said.

Two recently-arrived Mangshan pit vipers, one of the world’s rarest and most colorful species of snake, are just a subway ride away in the Bronx. The new hatchlings were born this past Aug. 7 at ...