More than 10km deep, 80km wide and 1,375km long – the Tonga Trench in the South Pacific Ocean is truly enormous.

Swimming among the corals of the Great Barrier Reef is a fish that could be a doppelganger for the famous Sesame Street ...

Scientists exploring deep underwater canyons off the coast of Western Australia uncovered a hidden world packed with bizarre ...

Known as by-the-wind sailors because of the way they catch the ocean breeze using the sail-like fin on top of their bodies, ...

Unidentified Submersible Objects (USOs) are defined as “any object detected underwater that cannot be immediately identified ...

Scientists exploring deep underwater canyons off Western Australia have uncovered an unexpectedly rich world of marine life ...

When I set sail on the MV NorSky in the summer of 2008 to probe the depths of Manus Basin off the coast of Papua New Guinea, I believed in the promise of deep-sea mining. As an early-career deep-sea ...

In this video, we explore why deep-sea creatures become increasingly creepier the deeper you go. The video discusses unique adaptations that give these animals their frightening features, including ...

You might think the ocean’s pitch-black depths are lifeless wastelands. Nothing could be further from the truth. Thousands of feet below the surface, where sunlight never penetrates and pressure could ...

Somewhere in the North Atlantic, more than a kilometre beneath its surface, a cold-water coral reef stretches across an unnamed seamount. Despite never appearing on a chart, this underwater forest has ...

The ocean is deep, dark, cold and full of mysteries — and in its deepest regions, animals grow to astonishing sizes. From isopods the size of cats to squids that could square off with a school bus, ...

Jan 22 (Reuters) - The Metals Co (TMC.O), opens new tab on Thursday became the first deep-sea miner to seek Washington's approval to mine the international seabed under a streamlined permitting ...