When he shone white light into an empty shell, the structure scattered only blue-green wavelengths (the same ones given off by snail’s shining cells); all the other colours passed straight through.

Sea butterflies flit through the ocean on gossamer wings, each species with a style of its own. These tiny marine snails, or thecosomes, migrate up to surface waters at night to feed and sink to ...

Hundreds of “sea potatoes”—actually the empty shells of a species of sea urchin—mysteriously washed up on Cornish beach last weekend Katherine J. Wu - Correspondent August 15, 2018 ...

Scientists can use ultraviolet light to draw out the color patterns of these ancient, white-washed shells. Accessibility statement Skip to main content Democracy Dies in Darkness ...

Why can’t sea turtles pull back into their shell? I was at the St. Louis Zoo, and they said tortoises and other turtles can pull back into their shells.

Sea turtles can carry more than 100,000 tiny animals on their shells. Studying the diverse and abundant creatures that live atop loggerhead sea turtles could help scientists track and better ...