Add Yahoo as a preferred source to see more of our stories on Google. New research reveals baby sauropods fed Jurassic predators and shaped one of Earth’s most famous dinosaur ecosystems. (CREDIT: ...

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 ...

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 ...

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Babies and very young sauropods—the long-necked, long-tailed plant-eaters that in adulthood were the largest animals to have ever walked on land—were a key food sustaining predators in the Late ...

Despite growing into the largest animals ever to walk on land, sauropods began life small, exposed, and alone. Fossil evidence suggests their babies were frequently eaten by multiple predators, making ...

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 ...