Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.

This 2018 satellite photo shows an unknown substance swirling across the Gulf of Gdańsk in Poland. Scientists were shocked to ...

Located 1 kilometer (0.62 miles) below today’s seabed, the wavy sediments were formed during the Equatorial Atlantic Gateway ...

Endomyarian anemones are stunning, and researchers spent 20 months observing them to understand their role on the seafloor.

The ocean plays a large role in cycling carbon dioxide in the atmosphere. Determining how much carbon is locked away in the ...

In shallow coastal waters around the world, mud and other fine-grained sediments such as clay and silt form critical blue ...