Therizinosaurus is proof that dinosaur evolution wasn’t always driven by speed, power, or predation. Instead, this theropod grew massive claws that functioned more like gardening tools than weapons.

Deep in the deserts of ancient Mongolia, Tarbosaurus ruled as the apex predator of the Late Cretaceous. Closely related to Tyrannosaurus rex, this massive carnivore shared the same bone-crushing bite ...

In the Griffin Halls of Evolving Planet, get to know the many creatures that have roamed the earth throughout history, from ...