Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted ...

This little critter hadn’t previously been identified south of Montana, but tiny, fossilized teeth show it had traveled into ...

The fossilized remains of a creature with a twisted jaw and sideways-facing teeth have been discovered in the Amazon jungle. Scientists say the plant eating reptiles now called Tanyka consisted of ...