When you think of the biggest dinosaurs—Brachiosaurus, Diplodocus, Argentinosaurus—they weren’t terrifying meat-eaters. They were leaf-lovers. So why were they so enormous? It’s not like trees were ...

A fossil that sat untouched for decades is now helping rewrite part of the dinosaur family tree, and the breakthrough is happening at Virginia Tech. What may look like crushed rock is actually a ...