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. The study is the first ...

Snail shells are often colorful and strikingly patterned. This is due to pigments that are produced in special cells of the snail and stored in the shell in varying concentrations. Fossil shells, on ...

Strange hammerlike teeth seen in two newfound species of ancient marsupials -- teeth unknown in any other mammal -- were the weapons they once used to smash open snail shells. Oddly, a bizarre group ...

Chinese scientists have found signs of a super rainstorm etched in the shells of snails, in an experiment that could help unlock evidence in the fossil record of ancient “tipping points” in the ...

For National Snail Day, museum research fellow Melissa Betters explores the mollusks’ notable nature Melissa Betters A shell from the Cuvier tropid snail, a terrestrial species native to Madagascar, ...