My guide, John-Paul Hodnett, calls it the “bunny slope” of new fossil locations he has studied in the cave ... crinoids, horn coral, brachiopods. Then the small dark slashes that indicate shark teeth.

About half a million years ago, several horses, sloths and armadillos fell into a sinkhole in Florida's Big Bend region and ...

The dinosaur was about as big as a Tyrannosaurus rex and had a unique nasal horn and symmetrical teeth that it used to eat ...

The newly discovered fossil is thought to belong to the same genus as modern rusty-spotted cats, which are among the smallest felines in the world. Catherine Gugelmann / AFP via Getty Images ...

A near complete skull fossil found in Antarctica has revealed the oldest known modern bird — a mallard duck-size creature related to the waterfowl that live by lakes and oceans today ...

Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks that lived alongside the dinosaurs. By Asher Elbein Asher Elbein ...

It comes from a new species of the genus Paranthropus, nicknamed the “nutcracker man” due to the fossil’s massive size and huge molar teeth. The researchers specifically assessed the fossil’s dentine ...

It comes from a new species of the genus Paranthropus, nicknamed the “nutcracker man” due to the fossil’s massive size and huge molar teeth. The researchers specifically assessed the fossil ...

It comes from a new species of the genus Paranthropus, nicknamed the “nutcracker man” due to the fossil’s massive size and huge molar teeth. Photos of the fossil jaw (Lazarus Kgasi ...

Now, a new discovery offers a clearer picture of their external appearance: Scientists re-examined an old plesiosaur fossil, which had been sitting in a museum’s storage for decades, and ...