About 5,000 species of crustaceans in the order Isopoda live in Earth’s oceans. According to the National Oceanic and Atmospheric Administration, they all have two pairs of antennae, compound eyes, ...

Mediterranean Sea Posidonia oceanica seagrass is washing up on beaches in the form of balls—dubbed ‘Neptune balls’—full of plastic waste. The underwater meadow is acting kind of like a sink—cleaning ...