At first, it just looks like another rough fossil oyster pulled from an ancient riverbank. Then the saw goes through it, and ...

I explore a shallow Florida river with barely any people around, hoping the gravel and limestone banks might be hiding fossils. At first, the finds are small: fossil oysters, odd rocks, and little ...

An international research team studying fossilized oyster shells has revealed substantial annual temperature variation in sea water during the Early Cretaceous. The finding overturns the assumption ...