A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...
The discovery of Ahvaytum bahndooiveche, a 230-million-year-old dinosaur in Wyoming, reveals dinosaurs existed in the ...
A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...
Four giant herbivores and one predator walked across the same spot in modern-day England. “It’s the closest we’ll get to a time machine,” said one of the lead excavators.