Mother Ocean Day is Saturday, May 9, so here’s a few facts about our waters.

A new study reveals that microplastics are impairing the oceans' ability to absorb carbon dioxide, a process scientists find crucial for regulating Earth's temperature. Defined as tiny plastic ...

A recent study reveals that oceans duringEarth’s Snowball Earth period may have reached the coldest temperatures ever recorded, around -15°C. The findings suggest that, despite the frozen landscape, ...

LONDON — Picture all of Earth's oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth's core, possibly ...

Far below the familiar blue of the oceans, scientists are uncovering evidence of a vast hidden reservoir of water locked inside the rocks of Earth’s mantle. Rather than a single underground sea, this ...

The world’s oceans set another alarming record in 2025, and scientists say the impacts are already being felt in the form of stronger storms, heavier rainfall and more extreme weather worldwide. A new ...

Research shows Mars' gravitational pull affects Earth's deep-sea currents and climate, causing warming cycles every 2.4 ...

Scientists used a new technique to estimate the abundance of hydrogen in Earth’s core. - Tumeggy/Science Photo Library RF/Getty Images Picture all of Earth’s oceans, which cover about 70% of the ...

Earth's shallow ocean contained oxygen earlier than expected, rewriting the history of the origin of life during the "Boring ...

Sediment containing rare earth was retrieved from ocean depths of 6,000 meters (about 20,000 feet) on a Japanese test mission, the government said Monday, as it seeks to curb dependence on China for ...