The remains of nearly 200 animals found in Mexico's Teotihuacán are helping reconstruct history.
Elder Sister' and 'Younger Brother' are now playing, crawling on grass, climbing up rocks and clawing trees Panda Watch is a ...
A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer ...
Scientists have identified fossils of snow leopards. The discovery has allowed them to trace the evolutionary history of the species during the Quaternary period and to propose how it dispersed from ...
The Himalayan wolf (Canis lupus chanco) and snow leopard (Panthera uncia) are apex predators in alpine ecosystems. By ...