This period of time was when dinosaurs first evolved. The continents we live on today were part of one land mass that scientists call Pangaea. The climate was hot and dinosaurs flourished after the ...

Dinosaurs captivate all ages. The creatures that dominated Earth ages ago, populating our world for 165 million years, will always be fascinating. And, on screen, as part of movie history, dinosaurs ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...

Paleontologists have discovered a new dinosaur species that lived in what is now Utah around 99 million years ago and appears to have been adapted to underground living. The previously unknown species ...

The next time you see a red-tailed hawk making lazy circles in the Colorado sky, or spy a ptarmigan foraging for seeds in the high alpine, consider yourself lucky: You just had an encounter with a ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs. Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...