Gastroliths are “stomach stones or gizzard stones” found in the digestive tract of some prehistoric animals that do not chew their food. Dinosaur National Monument photo You might want to wash your ...

Quartz crystals found in a fossilized bird complicates the mystery of its diet and what role it played in its ancient habitat. (CN) — Scientists studying a dinosaur-era bird fossil found quartz ...

It’s hard to know what prehistoric animals’ lives were like—even answering seemingly simple questions, like what they ate, can be a challenge. Sometimes, paleontologists get lucky, and pristine ...

You might want to wash your hands the next time you check out an unusually shiny rock. Turns out fossilized poop — called coprolites — isn’t the only disgusting thing dinosaurs left behind for modern ...

The fossil of a bird that lived alongside the dinosaurs was found with some sort of rocks in its stomach. Previously, researchers thought that these rocks were swallowed on purpose to help clean its ...