Our oceans are a place of constant contrast. Calm surface waters hide a world of darkness, pressure, and strange life forms ...

Microscopic plankton are among the most important organisms on Earth. Phytoplankton produce around half of the oxygen we ...

The government has abandoned plans to dismantle a deep-ocean observation network that scientists have used to track changes ...

The Trump administration is U-turning on its controversial decision to dismantle a critical system of ocean monitoring that ...

In the North Atlantic Ocean, south of Greenland and Iceland, a swath of water is doing something very strange. While the rest of the ocean heats up; it’s been getting colder. A team of scientists say ...

The ocean is home to some of the richest biodiversity on Earth. From coral reefs and mangrove forests to the deep sea, marine ecosystems sustain countless species, support coastal communities, ...

El Niño is back. By late fall 2026, forecast models give a 2-in-3 chance of a strong-to-very strong El Niño affecting the ...

The eastern tropical Pacific Ocean is known for its large low-oxygen zones that are increasing in size, putting marine life at risk. New research shows that 15 million years ago, the opposite was true ...

Lawmakers demand the National Science Foundation stop dismantling the Ocean Observatories Initiative, a $386-million ocean ...

A new U.N. report warns of escalating threats to the world's oceans from human impacts.

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The ocean is Earth’s defining feature. Two of the most famous photographs of all time stamped that indelibly on our minds: Earthrise (1968) and The Blue Marble (1972), both taken during the Apollo ...