An artistic interpretation of a newly discovered extinct species of lizard-like reptile belonging to the same ancient lineage as New Zealand’s living tuatara. The newly discovered Opisthiamimus ...

(CN) — Smithsonian researchers have discovered a new species of extinct reptile in the Jurassic Morrison Formation of Wyoming. Researchers described the lizard-like species in a paper published ...

Allosaurus was at the top of the food chain many years before T. Rex. Allosaurus was at the top of the food chain many years before T. Rex. Dinosaur Train is available to stream on pbs.org and the ...

Dinosaurs sit at the crossroads between reptiles and birds, leading scientists to debate whether they were warm- or cold-blooded. A new study may have found the answer for different groups of ...