Add Yahoo as a preferred source to see more of our stories on Google. Marco Cattaneo looks at boulder 0, the first boulder found with footprints. (Elio Della Ferrera) Beneath the snowy slopes lay a ...

Long before dinosaurs ruled the continents and modern crocodiles first appeared, their ancestors were already going through a ...

Dinosaurs were "ecosystem engineers," preventing dense forests from growing. Their sudden demise led to widescale ecological changes, according to a University of Michigan study, as represented here ...

Picture a baby Brachiosaurus the size of a golden retriever, hunting for food with its siblings while dodging predators that would happily eat it. Meanwhile, its parents—towering over 40 feet tall—are ...

About 66 million years ago, Earth was struck by one of the most powerful events in its history. A massive asteroid, roughly ...

A reconstruction of a Late Jurassic Dry Mesa Dinosaur Quarry ecosystem around 150 million years ago which shows a diverse array of bipedal theropod dinosaurs including the largest in the ecosystem ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Early dinosaurs rose to dominance because they ate a lot of plants.

This documentary focuses on one of the smallest dinosaurs ever identified from the fossil record. Its discovery challenged ...

About 150 million years ago, the land that is now the western United States was alive with dinosaurs. New research shows that the smallest members of the biggest dinosaurs played a huge role in ...