A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how dinosaurs spread across the globe.

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

Just a few fossil fragments of a tiny creature discovered thousands of miles north of its contemporaries have shaken our ...

Paleontologists released a new report last week showing that the earliest dinosaur ever discovered in North America is from ...

“Individual footprints are quite commonly found in the UK, especially on the coasts around Sussex, the Isle of Wight and ...

At least five trackways were found in Oxfordshire, revealing a dynamic environment from about 166 million years ago.