How long have modern horses been in existence?
People domesticated modern horses about 4000 years ago, and these ancient horses expanded rapidly, and ultimately replaced all other species in Eurasia.
New giant dinosaurs found in Xinjian, China
Two new species of herbivorous giant sauropods have been found in a place where only flying pterosaurs were known. They provide a new insight into the ecology of this Chinese region during the Early Cretaceous.
