A collection of fossil shells from marine snails and clams is challenging a theory that says the world’s deadliest mass extinction was accompanied by severe ocean acidification. Instead of showing ...
When a young crocodile-like caiman chomped down on the hind leg of a ground sloth 13 million years ago near the Napo River in Peru, it left behind 46 tooth marks as evidence. Now, researchers have ...
An examination of an aquatic, shrimplike creature that lived half a billion years ago offers insight into how arthropods with mandibles became so common. By Rebecca Dzombak About 70 percent of the ...
How smushed shells could help to resolve paleontological mysteries. By Asher Elbein You never know where a bit of unusual scientific research is going to lead. Consider a 2012 study about turtle ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback