A new study highlights how some marine life could face extinction over the next century, if human-induced global warming ...

They drift aimlessly at sea, soaking up sunlight from the sky and nutrients from the deep. Often invisible to the naked eye, ...

An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living ...

Scientists at the Monterey Bay Aquarium Research Institute identified an intriguing new deep sea species off of California. It's see-through, can glow, and nabs prey with a large hood. At one point ...

An ocean expedition to a dynamic marine realm off the little-explored Chilean coast — with seeps and vents emitting nutrients ...

Chinese scientists have found abiotic organic compounds in the ocean crust, shedding light on deep-sea carbon cycles and life ...

It took nearly 25 years for biologists to discover that a swimming and glowing organism in the ocean’s midnight zone was ...

Oxygen, the molecule that supports intelligent life as we know it, is largely made by plants. Whether underwater or on land, ...

Temperatures have become too warm in the southern parts of the Gulf of Maine for kelp forests, a foundation for marine life.

Encounter whales (and whale sharks, too) in quiet, relaxing destinations like the Maldives, Sri Lanka, the ice caps and Baja California Sur.

Researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Nicknamed the 'mystery mollusc,' the nudibranch Bathydevius caudactylus swims through the ocean's midnight ...

While most sea slugs use a rough tongue to feed on prey attached to the seafloor, B. caudactylus uses a cavernous hood to ...