The unique features of Mosura fentoni astounded paleontologists. Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found in one ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was initially classified as a crustacean. Despite ...

Fossilization is a fickle process. Many fossils are fragmented, scattered (often broken) bones turned slowly to stone over millions of years. When most organisms die, their tissues are exposed to the ...