Prehistoric poop is full of secrets. Now, one of those secrets—the key to the rise and dominion of dinosaurs—might have ...

Paleontologists at the University of Uppsala in Sweden studied more than 500 pieces of fossilized dinosaur poop to find out how dinosaurs evolved.

Fossilized digestive material offers unparalleled insights into the dinosaurs' diets, feeding behaviors and parasites.

Paleontologists at the University of Uppsala in Sweden studied more than 500 pieces of fossilized dinosaur poop to find out how dinosaurs evolved.

Researchers have conducted what could be the largest study ever of dinosaur poop. The findings shed new light on how dinosaur's diets allowed them to dominate the planet. (This story first aired ...

Scientists have analyzed fossilized samples of dinosaur feces to learn more about the ecological influence of dinosaurs about 200 million years ago. In this work, hundreds of samples were tested with ...

This undated photo provided by Grzegorz Niedzwiedzki shows fossilised plant-eating dinosaur poop found in the Holy Cross Mountains, Poland (AP)First appearing roughly 230 million years ago, ...

Revelations from ancient poop. In some cases, it was possible to make a visual assessment of what type of dinosaur was responsible for a bromalite based on a fossil’s size and shape — a spiral ...

Dinosaur poop is providing vital clues about "who ate whom" 200 million years ago. Researchers have been able to identify undigested food remains, plants and prey in the fossilized feces of the ...

A study of fossilized feces and vomit attempts to piece together why dinosaurs were so evolutionarily successful.