The Gonatus antarcticus squid, a mysterious squid found only in the frigid waters around Antarctica, was caught on camera for the first time on Christmas Day by the Schmidt Ocean Institute. The ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before-seen marine species is part of the mission.

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, ...