A prehistoric sinkhole in Florida preserved fossils for half a million years until their discovery in 2022, offering rare ...

The region of the river in which Sinibaldi and fellow collector Joseph Branin were hunting was once a sinkhole that filled in ...

With sharp catlike teeth and a doglike body, ancient carnivores called hyaenodonts were once at the top of the food chain, ...

A nearly complete skull fossil found in Egypt has revealed a new species of Hyaenodonta, an apex carnivore that mysteriously ...