Scientists on board a deep-sea expedition to the South Sandwich Islands near Antarctica have returned with a treasure trove of photos of previously unseen marine life. They found coral gardens, ...

Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

The International Bathymetric Chart of the Southern Ocean (IBCSO) has taken five years ... because it is around the underwater mountains that marine wildlife tends to congregate.

A research expedition in the Southern Ocean has mapped a string of seamounts ... Tasmania and Antarctica have revealed a chain of underwater volcanoes whose towering peaks may sculpt ocean ...

Marine scientists have captured images of a mysterious tentacled creature that lives more than 3 miles below the ocean ...

What are ocean forests? Underwater forests are formed by seaweeds ... Others again, like golden kelp on Australia’s Great Southern Reef, drape over seafloor. Seaweeds have long been known ...

For months, a gargantuan iceberg has been slowly spinning in one spot in the Southern Ocean — and it could ... block is slowly rotating above an underwater mountain named Pirie Bank Seamount ...

Underwater waves deep below the ocean's surface ... the deep waters moving southward from the North Atlantic to the Southern Ocean. This means that the heat and carbon carried by these water ...

A Casper octopus photographed deep underwater. Discovered in 2016 ... its scientific name—has been seen in the Southern Pacific. Schmidt Ocean Institute Among the findings was the first recorded ...