Did you know flowers weren't always on the earth? The very first ones appeared during the Cretaceous Period. Plants are the basis of our ecosystem, and when plants started taking over the world, the ...

Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — Scientists have long suspected that a group of dinosaurs known as sauropods subsisted on a diet of plants, but they ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The extinction of dinosaurs had a significant impact on the development of plants, a new study has shown. Experts at the ...

Ancient cycad lineages that survived the extinction of the dinosaurs may have done so by relying on symbiotic bacteria in their roots to fix atmospheric nitrogen. The finding came from an effort to ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs.

A new study published April 30 in the Proceedings of the National Academy of Sciences identified three factors critical in the rise of mammal communities since they first emerged during the Age of ...

Sixty-six million years ago, an asteroid or comet struck Earth on what is now Mexico’s Yucatán Peninsula, resulting in the mass extinction of countless dinosaurs. This event, known as the ...

Dinosaurs may have ruled the earth, but they were never alone on it. A colorful cast of characters, including pump-headed insects, gigantic amphibian reptiles and tiny woodland mammals, coexisted with ...