Horseshoe crabs have survived 300 million years with little change. Their blue blood protects humans from bacterial ...

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 ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

The study of how life evolved would be impossible if not for the history that is told in the fossilized remains going back billions of years. Scientists have described about 250,000 different fossil ...

A new fossil (Orthrozanclus reburrus) from the Middle Cambrian Burgess Shale (c 510 Ma), British Columbia, Canada, that serves to link the well-known halkieriids and wiwaxiids and so define 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 ...