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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Until recently, the main threat to the lives ...

Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, ...

Some marine snails soar through the water by flapping their squidgy appendages to and fro, similar to butterfly wings — now, scientists have discovered that the shape of the snails' shells also helps ...