Marco Cattaneo looks at boulder 0, the first boulder found with footprints. Beneath the snowy slopes lay a prehistoric surprise: an ecosystem that predates the dinosaurs, revealed by melting snow ...

Add Yahoo as a preferred source to see more of our stories on Google. A reconstruction of a Late Jurassic Dry Mesa Dinosaur Quarry ecosystem around 150 million years ago which shows a diverse array of ...

After months of digging up the fossilised eggs, researchers say the site is one of the world’s most important of its type.

Baby dinosaurs weren’t coddled like lion cubs or elephant calves—they were more like prehistoric latchkey kids. New research suggests that young dinosaurs quickly struck out on their own, forming ...

Infant and juvenile sauropods were the primary food source for fearsome predators during the Late Jurassic period. Though they would eventually grow into the most massive titans to ever walk the Earth ...

An image of University of Maryland geologist Thomas R. Holtz, Jr. holding a baby crocodile, one of the closest living analogs for dinosaurs. Similar to their dinosaur predecessors, crocodiles guard ...

Early dinosaurs rose to dominance because they ate a lot of plants. This is the conclusion of an international team of researchers who studied hundreds of fossilized droppings—or "coprolites"—to help ...

Researchers analyze the ratios of calcium isotopes in bones and fossils to learn more about what dinosaurs once ate. Credit: ...

A 66-million-year-old Edmontosaurus fossil with preserved skin has been discovered in the North Dakota Badlands by a team ...

Beneath the snowy slopes lay a prehistoric surprise: an ecosystem that predates the dinosaurs, revealed by melting snow before being stumbled upon by a hiker in the Italian Alps. The discovery, made ...

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 ...

WASHINGTON — It may have been suicidal for a predator to go after a healthy adult Brachiosaurus, a behemoth weighing perhaps 60 tons that was a member of the long-necked group of dinosaurs called ...