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 ...

A TikToker’s beachcombing adventure turned into a viral cautionary tale after she unknowingly picked up one of the deadliest creatures on Earth. Beckylee Rawls was tidepooling in Okinawa, Japan, when ...

A snorkeler in Egypt's Red Sea thought he came across a beautiful seashell only later to realize how "lucky" he was to be alive. Frank, who wished to keep his last name private, picked up the ...