A newly discovered 460-million-year-old trilobite showed signs of being shaped and flattened—the first indication that ancient Romans purposely collected and modified the tiny fossils. A computer ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About half a ...

Some 465 million years ago, an armored pill-bug-like creature called a trilobite scuttled across an ancient seafloor and apparently scarfed up anything it could, according to a new analysis of its ...

(CNN) — About half a billion years ago, a volcanic eruption near a shallow sea in what’s now Morocco preserved some of the most complete specimens ever found of buglike sea creatures called trilobites ...