Life in the ocean runs on light. It fuels photosynthesis, shapes food webs and determines where many marine species can live.

Ancient shoreline features hint that water on Mars once formed a vast ocean.

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

She played a key role in negotiating a landmark United Nations treaty to protect the high seas, an agreement that went into effect this weekend.

A conveyor belt of ocean water that loops the planet and regulates global temperatures could be heading for a tipping point.

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that ...

Life in the ocean runs on light. It fuels photosynthesis, shapes food webs and determines where many marine species can live. Gradually, that light is fading. Since the early 2000s, more than ...

In a new study, we and an international team scientists examined the behavior of marine viruses in a large band of ...

A 2003 marine heat wave in the waters around Greenland continues to impact North Atlantic ocean ecosystems decades on, with a ...

Far below the waves of the Atlantic, scientists are mapping out a hidden world of water that never meets the light of day. From buried freshwater aquifers to deep mantle minerals that behave like ...

New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could ...

A new study led by former Syracuse University doctoral student Ruliang He and co-authored by his advisor, Earth and environmental sciences Professor Zunli Lu, reveals that Earth's ancient tropical ...