Most of us imagine dinosaurs as the huge, towering prehistoric beings that once walked the Earth. But it turns out that dinosaurs were actually a wide range of sizes — and some of them weren’t much ...

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 ...

The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly ...

A single fossilized footprint, roughly 1 meter long, has pushed paleontologists to redraw the upper limits of dinosaur size after sitting in storage for nearly two decades. The track, nicknamed ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SYDNEY (Reuters) — Scientists have confirmed ...

Remains of a petite dinosaur reveal that some of the ancestors of birds had already shrunk in size before flight evolved. The dinosaur, a mere 2 feet long (70 centimeters) and weighing the equivalent ...