In some circles, Arkansas is known for its sharks. Their fossilized remains are embedded in the Fayetteville Shale, which was once a muddy sea floor. These well-preserved fossils prompted one ...

Grand Canyon fossils in the Bright Angel formation reveal 500M-year-old animals with dual feeding structures, reshaping ...

The rich fossil repository known as the Burgess Shale was first discovered a century ago. Siobhan Roberts The fossil-hunting expedition began with a lung-busting hike, accompanied by an incessant ring ...

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found in one of the most fossil-rich areas of the world. The fossils of Mosura ...