Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Ned, a pale-bodied snail crawls across a leaf in a small town in the Waiararapa, New Zealand, on Aug. 22, 2025. (Giselle Clarkson via AP) I knew that there were right-eyed and left-eyed flounder, but ...

This snail became the first animal living on deep-sea hydrothermal vents to be added to the IUCN Red List of Threatened Species—it also turns poisonous sulfur into armor ...

Ned, bottom, a pale-bodied snail who has a left-spiralling shell pictured with a right-spiralling snail in a small town in the Wairarapa, New Zealand, on Aug. 22, 2025. (Giselle Clarkson via AP) ...