When I explain my research interests to new acquaintances, I’m often asked questions like “what would you do if you met a ...

Earth’s history has been shaped by five mass extinctions—catastrophic periods when life changed so dramatically that entire ...

Early humans in North and South America relied heavily on hunting of large mammals, including mammoths and giant ground sloths, for food and sustenance, according to newly published research by a team ...

Early humans in North and South America relied heavily on hunting of large mammals, including mammoths and giant ground sloths, for food and ...

On June 29, Gracie the Giraffe returned to her South Texas ranch after a 17-day walkabout and attendant media sensation. ...