Formerly known as the 'mystery mollusk,' this glow-in-the-dark nudibranch is the first of its kind to be seen living in the ...

An expedition to a volcanically active ridge in the Pacific off South America has revealed worms, snails, giant tubeworms and ...

giant tubeworms and other strange creatures lurking below steamy underwater hot springs. Researchers have long studied animal communities near such hydrothermal vents. Many thought only microbes and ...