Infant and juvenile sauropods were the primary food source for fearsome predators during the ...

Some 150 million years ago sauropods dramatically shaped the dinosaur ecosystem in what is now the western U.S., according to ...

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 ...

By Will Dunham WASHINGTON, Jan 30 (Reuters) - 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 ...

Learn how fossils from Colorado’s Morrison Formation helped researchers reconstruct a Late Jurassic food web and uncover the ...

Baby sauropods were the fast food of the Late Jurassic, feeding multiple predators and propping up the entire ecosystem. Their vulnerability may even explain why later giants like T. rex evolved to ...

The vomit likely came from one of two potential carnivorous dinosaur species. Approximately 290 million years ago, a ...

A new “apex predator” dinosaur species has been discovered based on its fossil, unearthed in Argentina with a crocodile bone stuck in its jaws. The species has been named Joaquinraptor casali, and was ...

Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...