Some 67 million years ago, in what is now known as Slope County, North Dakota, an adolescent duck-billed dinosaur was killed and chewed up by various predators and scavengers. The Edmontosaurus left behind an impressive fossil nicknamed Dakota the ...

(CNN) — Spiders are not well represented in the fossil record. Their soft external skeletons don’t typically preserve well — except at a few exceptional sites around the world. There is one remarkable spot in the south of France, where fossils of ...

More than a century ago prolific fossil collector Charles Sternberg discovered the skeleton of a duck-billed Edmontosaurus dinosaur in the sandstone rocks of the Lance Formation in eastern Wyoming. The remains were covered in fossilized flesh and skin,

Opalized ammonite fossils are some of the most unique and spectacular paleontological specimens. They were formed through a geological process known as opalization, wherein organic material from ancient ammonite shells is replaced by silica, resulting in ...

Scientists know that dinosaur fossils are millions of years old by dating radioactive elements in rocks that the fossils were found near or in. Soft tissue can exist in fossils for longer than 4 million years, though scientists are divided on what leads ...

LAWRENCE, Kansas— A couple hundred million years ago, an ocean covering Kansas teemed with prehistoric life. Yet for millennia, Kansas has been a dry, sometimes even dusty, place. The ocean is long gone, but traces of that long-ago aquatic life lie right ...