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 ...

We know dinosaurs were big, but how big were they? And how do we even know? Luckily, paleontologists and other scientists know how to find the answers. By measuring fossils, comparing them to the ...

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 ...

Despite being famous for its size, Spinosaurus is mostly known from fragments such as this bit of upper jaw. We don’t really know how large this carnivore was. Photo by FunkMonk, image from Wikipedia ...