Who knew what was initially a peaceful day of fishing near a river in Monroe County, in the state of Alabama, in 2021, was to become a momentous scientific event? Let’s go back to the time when the ...

Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida river. The fossils they left behind, discovered by paleontologists at the ...