The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...
In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark.
Researchers at Mammoth Cave National Park have uncovered a small, but significant addition to their ongoing Paleontological ...