In a new paper in Science, experts from the University of Chicago describe steps that took place some 66 million years ago to transform the carcasses of a duck-billed dinosaur, Edmontosaurus annectens ...

Two duck-billed dinosaur carcasses were preserved in a thin layer of clay for 66 million years. Now, they’ve helped researchers recreate their living appearance. Reading time 3 minutes In the badlands ...

In the badlands of eastern Wyoming, the Lance Formation is a trove of prehistoric fossils. And one area in particular — a region less than 10 kilometers (6 miles) across — has provided scientists with ...

A mummy of a juvenile duck-billed dinosaur, Edmontosaurus annectens, preserved as a dried carcass. Tyler Keillor/Fossil Lab Dinosaur “mummies” couldn’t have been further from my mind as I trudged up a ...

Some 66 million years ago, just before the great extinction, the duck-billed dinosaur Edmontosaurus annectens walks in the soft mud of a coastline passing the sun-dried a carcass of another individual ...