For decades, a few hundred miles northeast of Beijing, the Yixian Formation has offered up a treasure trove of exquisite dinosaur fossils dating back to the early Cretaceous (about 145 to 66 million ...

Dinosaurs had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including the shape of rivers—and these changes are reflected in the geologic record, ...

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters - capable of sinking their claws even into solid ...