Discovered by scientists in 2000, more than 700 meters (2,300 feet) beneath the surface, the Lost City Hydrothermal Field is the longest-lived venting environment known in the ocean.

A new eco-friendly plastic called LAHB has shown it can biodegrade even in the extreme environment of the deep ocean, unlike ...

Deep below the surface of the ocean, a "lost city" rises from the depths. This so-called city is a combination of massive columns and carbonate walls, the result of hydrothermal activity within ...

World Ocean Day 2019: Ocean plastics problem isn't going away, but here's what you can do to help Once the plastic ends up in the open ocean, it's really difficult to get it out.

The U.S. wants to mine the deep sea. But economists warn that leaders aren't taking the full value of the oceans into account.

Photos show the USS Laffey still sitting upright on the seafloor with much of her bow and midsection intact despite more than ...

The third U.N. Ocean Conference, or UNOC, began in Nice, France, earlier today, with France and Costa Rica serving as co-hosts of the gathering aimed at protecting the world’s oceans.