High up in the mountains of Colombia, a scaly creature balanced its 2-foot-long body on a branch. The predator had its red eyes on its next meal. But other sets of eyes were watching it, too. Nearby ...

Asian pit vipers of the genus Trimeresurus are notoriously difficult to tell apart and continue puzzling researchers to this day. Some species groups have similar-looking species (different species ...

From bloodsucking fly mites to fish being swallowed whole, photographers get up close and personal with an array of animals in this year's shortlisted entries for the Close-up Photographer of the Year ...

Scientists found a venomous, 1-foot-long animal with yellow eyes at Tundaloma Lodge and discovered a new species, a study said. Street View Image from November 2014 ...

ABILENE, Texas (KTAB/KRBC) – The Abilene Zoo has announced the successful hatching of eight Mangshan pit vipers, a critically endangered snake species with fewer than 500 left in the wild. The zoo ...

Finding and describing new species can be a tricky endeavor. Scientists typically look for distinctive characters that can differentiate one species from another. However, variation is a continuum ...