Frank, who wished to keep his last name private, picked up the shell-looking item and admired it. He thought about taking it home as a souvenir for his first trip to a coral reef, but decided against ...

The ocean’s beauty often hides unexpected threats, and one diver’s recent experience in Egypt’s Red Sea serves as a chilling reminder. What started as an innocent underwater exploration quickly turned ...

Learn about snails with a roundup of snail facts. Discover what snails eat, when they get shells, how long they sleep and how ...

In brief: they've grown thicker shells. The paper documents two sets of field experiments, conducted 20 years apart, measuring the thickness and plasticity in samples of tidal snails. The first ...