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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 ...

During the course of evolution, the mammalian cranio-mandibular secondary joint—formed by the dentary condyle and the ...

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 ...

Some well-preserved sea life fossils formed 183 million years ago didn't form in a no-oxygen environment as researchers previously thought, according to new analysis of the fossils by a team including ...

A recent study found that many of the fossils from Germany's Posidonia shale do not get their gleam from pyrite, commonly known as fool's gold, which was long thought to be the source of the shine.

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 ...