The popular salamanders are nearly extinct in the wild, where they are confined to a small system of canals in Mexico City.

Green snakes, found across continents, exhibit diverse behaviors and habitats, ranging from harmless insectivores to venomous ...

Stone tools dating back 150,000 years have been found in the jungle, revealing early human occupation in dense tropical ...

"Nothing is so uncommon as a common dandelion," say Karst Meijer and Erik van den Ham, Dutch botanists who started an ...

New maps released this week document the world’s largest land mammal migration, revealing the seasonal journeys of more than ...

Mountain lions have been seen near populated areas across the U.S. Surveillance footage capturing large cats in residential yards and interactions like the one involving a holiday reindeer decoration ...