Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Barreleye fish are named for their unique, barrel-shaped eyes. These eyes can rotate, allowing the fish to look both upward and straight ahead. Their eyes also have bright green lenses protected ...

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, ...

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...