Beecher's Trilobite Bed has a large representation of fossil organisms in perfect condition because iron pyrite maintained the shape of their bodies after being buried in sediment.

A stunning 450-million-year-old fossil arthropod, perfectly preserved in fool’s gold or iron pyrite, has been unearthed. Thanks to the mineral pyrite, its exquisite preservation offers a glimpse ...

A 450-million-year-old fossil of an ancient creature related to the modern-day spider was recovered encased in fool’s gold in upstate New York. The new species is distantly related to arachnids ...

A creature that scuttled along the seafloor 450 million years ago has been preserved in a rare and striking fossil that formed in fool’s gold.

That allowed iron pyrite, commonly known as fool's gold, to replace parts of their bodies after they were buried, resulting in golden 3D fossils.

A team from the University of Oxford discovered the ancient fossil, preserved in 3D by iron pyrite, at Beecher's Trilobite Bed in New York State.

A creature that scuttled along the seafloor 450 million years ago has been preserved in a rare and striking fossil that formed in fool’s gold.