Baby sauropods were the fast food of the Late Jurassic, feeding multiple predators and propping up the entire ecosystem.

What was the biggest dinosaur to ever walk the Earth? It’s a question that continues to spark debate among paleontologists, with new discoveries and shifting theories keeping the conversation alive.

Our beloved planet has seen giants that dwarf most animals alive today. These massive creatures lived across different time ...

The analysis showed that young sauropods, not their colossal parents, were the most common prey for carnivorous dinosaurs.

Big changes are coming to Chicago's Field Museum -- literally. As the iconic museum prepares to celebrate its 125th anniversary, officials announced plans to makeover its famed T. rex, Sue, and to ...

Add Yahoo as a preferred source to see more of our stories on Google. A replica fossil of the titanosaur _Patagotitan_, one of the largest dinosaurs ever discovered. It would have weighed about 70 ...

Researchers have found some of the biggest dinosaur footprints ever. They are so huge that an adult could curl up inside one ...

There is no uncontroversial explanation for their size, and scientists have numerous intriguing theories. The long necks of ...