In Baculites, a straight shelled ammonite, the constructional limits on shell shape resulting from the limited strength of nacre in tension are circumvented by a system of vaults in the phragmocone.

Collecting seashells on the beach may be a fun pastime for many. Looking at the wide variety of shells you can find, you may wonder what creature was living in it before it washed up onshore. But, ...

(CN) — In a study published Wednesday in PLOS ONE, researchers revealed they caught octopuses throwing silt at each other — the first time this behavior has been reported in the eight-armed ...

The ancestors of octopuses and squid once sported hard shells, but when did they lose their "mobile homes" and become agile, soft-bodied swimmers? A new study finds that this change may have occurred ...

SEATTLE, November 25, 2019 - Computational fluid dynamics can be used to study how extinct animals used to swim. Scientists studied 65 million-year-old cephalopod fossils to gain deeper understanding ...

David Peterman in the AMMLab (Ammonoid Motility Modeling Laboratory) holding a 3-D-printed reconstruction of the planispiral ammonite, Paracoroniceras lyra. David Peterman, Kathleen Ritterbush and ...

Scientists scanned a fossil of the Jurassic cephalopod Vampyronassa, pictured here, and found clues that it was an active hunter. A. Lethiers, CR2P-SU Finding and studying fossils of Earth’s ...

Over the past few years, I've spent many hours reading up on — and a morning observing — the smart, sassy behavior of octopuses. These cephalopods, who telegraph their moods by color changes and solve ...

These five research-backed insights show why the octopus remains one of the most extraordinary minds in the animal kingdom.