A fossil that appears to shine like gold has been quietly misleading scientists for decades. Found in black shale deposits in southwest Germany, these 183-million-year-old remains, mostly ammonites, ...

The Burgess Shale in British Columbia is renowned for its exceptional preservation of soft tissues in fossils, including limbs and guts. While trilobites are abundant in the fossil record thanks to ...

Most shark fossils are just teeth—their cartilage skeletons usually decay long before they can fossilize. But in northwestern Arkansas, a series of geological sites known as the Fayetteville Shale has ...

a, A complete specimen with antennae and limbs (USNM PAL 65510). b, Limbs of GSC 34695a showing various degrees of flexure and extension. The Burgess Shale in British Columbia is renowned for its ...