Oceans

Earth

Deep drilling at sea

Drilling holes deep into the seafloor unveils the ocean's past and hints at Earth's future.

Environment

An ocean view’s downside

Population growth in coastal areas could threaten shoreline ecosystems.

Earth

Slip slidin’ away — under the sea

A thin layer of water can keep ocean avalanches moving far and fast.

Earth

Undersea vent system active for ages

Chemical analyses reveal that the tall towers of a set of hydrothermal vents called the Lost City have been growing for 30,000 years.