Despite covering 66% of Earth’s surface, the deep ocean remains largely unexplored. A new study reveals that humans have ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds.

Thousands of feet below the surface of the Indian Ocean, a reddish sea creature with “massive eyes” used its “long” arms to ...

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

There is currently no commercial deep-sea mining happening anywhere in the world, though companies have been pushing for years. They appear to have found a new champion in Trump.

Thousands of giant “mermaid bag” skate eggs from the Pacific white stingray emerge from an underwater volcano off Vancouver ...

The Blake Plateau, an astonishing deep-sea mountain range, features striking pillars of marine life alongside humanity’s ...

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

The great deep sea mining debate has both pros and cons that need to be addressed before the procedure can become viable.

One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one day. Here’s what scientists are saying.

Donald Trump’s executive order on undersea minerals has encouraged mining companies — but critics say it will damage the environment and struggle to make money ...