3 min read At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs, pterosaurs, and giant marine reptiles were conspicuously absent from the face of the Earth. Rodent-size ...

Primates are smart, flexible, and adaptive creatures. How have they responded to changes in climate over millions of years? Climate is the major factor that determines where a species can and ...

These large, carnivorous, flightless birds, known scientifically as Phorusrhacidae, were among South America’s top predators ...