For more than a century, the largest dinosaurs have seemed like a closed club dominated by a few famous sauropods with necks as long as city buses. Now a neglected set of bones is forcing ...

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.

Two giant forelimbs have been found from a Stegosaurus, or related species, that are longer than any discovered before.

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

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

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 ...

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

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

Scientists have spotted a record-breaking 21 distinct kinds of dinosaur footprints along a 25-kilometer piece of the Dampier Peninsula coast, which people are ...