Trilobites, the extinct marine creatures famous to fossil-hunters everywhere, may have once done digging of their own, say UK and Swedish researchers. Rocks found in a Swedish limestone quarry contain ...

LOCUST GROVE, Ohio -- After more than two hours of digging along a stream bank, Tom Johnson's pickax finally turned up a trilobite. The fossil, tiny enough to strain his middle-aged eyes, seemed too ...

LOCUST GROVE, Ohio — During a recent day of digging along stream banks, Tom Johnson turned up dozens of trilobite pieces. He squatted for hours, quarrying layers of limestone and shale that had formed ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. About 250 million years ago, some very important arthropods went ...