Tusoteuthis was a giant squid nearly equal in size to those that ply the oceans today—with their tentacles stretched out, the ancient cephalopods may have measured 25 to 35 feet (8 to 11 meters ...

How can the soft bodies of coleoid cephalopods so aptly hide in their environment? Why must they? What cells and specialized organs make such crypsis possible for one of the older evolutionary ...

This year, the Institution collected everything from the stunning shell of an extinct cephalopod to a Blue Origin rocket ...

These cephalopods make for ideal index fossils ... Ammonite fossils also reveal information about ancient climates, as the sites where they are unearthed must have once been covered by ancient ...