A group of hikers ventured into a mountainous rainforest in southern Mexico on a humid night. Around 1 a.m., they encountered a 2-foot-long snake moving through the leaves — and found a deadly species ...

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 ...

In a forest of Ecuador, a 2-foot-long creature grabbed onto a branch and waited. Its yellow eyes stared into the trees without blinking. Perhaps it was looking for a meal or maybe for a mate.

Scientists found a rare reptile, the yellow-blotched palm pit viper, on a hike in Chiapas and expanded the known range of a dangerous species. Photo from Jorge Arturo Hidalgo-Garcia, shared by Adam ...

Scientists found a 2-foot-long animal with red eyes in the mountains and discovered a new species, a study said. Photo shows a representative area of Colombia. Photo from hector orjuela via Unsplash ...

Scientists found a venomous 2-foot-long animal with bright, varied colors and discovered a new species, a study said. Photo from Lucas Bustamante, shared by Alejandro Arteaga In a forest of Ecuador, a ...