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

Fast-forward 30 million years, however, and dinosaurs dominated the planet, coming in all shapes, sizes and forms, while many of their reptilian counterparts had died off. Exactly why they were so ...

Scans of fossilized feces have revealed what the early members of this iconic species ate to help them take over the world.

(CN) — Millions of years ago ancient reptiles, amphibians and mammals placidly occupied the top of Earth’s ecosystem until omnivorous dinosaurs usurped them. According to new research, the key to ...