Dinosaur evolution

Discoveries Scientists discover why tiny dinosaurs never roamed the Earth

Energy models predicted tiny dinosaurs, but even the best fossil sites contain no adults below roughly 300 grams.

Discoveries The surprising reason why T. rex had short arms Hannah Shavit-Weiner

Discoveries Brazilian dinosaur discovery points to an ancient route from Europe to South America Hannah Shavit-Weiner

Discoveries Why triceratops and other horned dinosaurs evolved such massive noses Mac Oliveau