Tyrannosaurus rex was just about as smart as modern crocodiles and other reptiles, according to a team of researchers that investigated recent claims that the Cretaceous predators may have been as smart as monkeys.
Ancient South Americans were apparently inspired by fossilized dinosaur tracks in what is now eastern Brazil, where they cut figures into the rock, imprinted tens of millions of years earlier by the movements of giants.
Scaly, feathered, toothed, or beaked—long-necked, spike-tailed, tiny, or gargantuan—dinosaurs are a wildly diverse group. But certain dinos stand above the rest, both literally and on the plinth of our imagination. Here’s my definitive ranking of the best dinosaurs; I’ll be mightily impressed if you’ve heard of every…
A team of paleontologists revealed a remarkable fossil: a young tyrannosaurid with the hindlimbs of two year-old dinosaurs in its stomach. In other words, this theropod was chowing down on baby legs.
We know them in death. We know how they died, some of what they ate, how they grew, where they may have roamed, and even if they suffered from disease or injury. Preserved bones can tell us a lot, but perhaps just as interesting are the stories they left in traces, where their behavior, even for one moment, is…