An international team including University of Pennsylvania paleontologists is unearthing the appearance of ancient animals by using the world's most powerful X-rays.

Dinosaur Expert Dr.

By KEN ROGERS Dakota, the duck-billed hadrosaur discovered near Marmarth, isn't just any dinosaur. Rather, the plant-grazing early resident of North Dakota was mummified. Not just, excuse the expression, a pile of bones, the preservation of Dakota also included skin and tendons.

By Blake Nicholson Associated Press BISMARCK, N.D. -- Using tiny brushes and chisels, workers picking at a big greenish-black rock in the basement of North Dakota's state museum are meticulously uncovering something amazing: a nearly complete dinosaur, skin and all.

Researchers at North Dakota’s state museum are scrupulously chipping away at a giant greenish-black 65-million-year-old rock, using tiny brushes and chisels to uncover a nearly complete dinosaur fossil, with skin and all.