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, ...

The deep sea, a realm of perpetual darkness, crushing pressure, and cold temperatures, is home to some of the most unusual and mysterious creatures on Earth. Recent discoveries have unveiled a host of ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

The waters off the glittering coastlines of Britain's Caribbean territories have long been a mystery. But now scientists on the first expedition beyond the islands' shallows have discovered an ...

Researchers in Hawaii discovered four new species of sponge. Getty Images/iStockphoto Researchers in Hawaii used structures that mimic coral reefs to study aquatic life — and they found four new ...

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...

Lurking in the depths of the ocean are countless species that have never been seen by humans before. As part of a project to name 1,000 of these unknown animals by 2030, 24 new species of deep-sea ...

The La Jolla-based Scripps Institution of Oceanography is no stranger to getting calls from the public with questions about marine species found along local shores. Some callers wonder what something ...

Scientists analyzed the DNA of fish in the Galapagos Islands and discovered a colorful new species with white speckles, a study said. Photo from Getty / iStockphoto Swimming through the crystal blue ...