Add Yahoo as a preferred source to see more of our stories on Google. An artist's illustration shows Deinosuchus riograndensis swimming with an early alligator relative in the wetlands of the Western ...

This map shows the ancient western interior seaway that divided the "lost continent" of Laramidia from Appalachia, and distribution of dinosaurs found in the rich "dinosaur boneyard." Disclaimer: AAAS ...

For generations, scientists seeking to learn about prehistoric ocean life have flocked to a place that’s about as far from the ocean as you can get — dry, dusty western Kansas. What they’re finding ...

Photograph of Acronichthys maccagnoi fossil (with scale), which was located well inland from the shoreline of the Western Interior Seaway Disclaimer: AAAS and EurekAlert! are not responsible for the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN) — A massive ...