Rare evidence about the lives of an ancient group of arthropods has been uncovered in the U.S. The findings of the study are ...

When water temperatures rise to 60 degrees and level off after the last cold snaps of winter, the coastline welcomes ...

This fossil belongs to the euarthropods group, which includes present-day insects, spiders, and crabs. What makes it unique is the exceptional preservation of its internal organs, despite the ...

Because of their origin 450 million years ago, horseshoe crabs are considered living fossils.

This is a reconstruction of fossil crab larva (a) ventral aspects, (b) dorsal aspects. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Rare evidence about cyclidan crustaceans has been uncovered in the USA, revealing more about how they behaved.