Deep in Early Cretaceous South America paleontologists uncovered fragmentary fossils of a massive carnivore later named Tyrannotitan Its remains suggest a predator that rivaled later giants yet much ...

We’ve all seen the jokes about Tyrannosaurus rex and its tiny arms. One of the most fearsome predators ever to walk the Earth somehow ended up with forelimbs that looked ridiculous next to its massive ...

Scientists may have finally solved the riddle of Tyrannosaurus rex's small arms, which have always stood out as the oddest feature in the mightiest of dinosaurs, prompting jokes and a century-plus ...