Compared to the actual deepest point of the ocean (the Mariana Trench stretches down nearly seven miles), 831 feet may not seem that deep. But when you consider that this intrepid diver was ...

In 2024, researchers made a groundbreaking discovery in the Pacific Ocean's Clarion-Clipperton Zone, finding that oxygen increased over two days to more than three times the background concentration ...

Our oceans are incredible scientific marvels, and there’s a lot to learn about these amazing bodies of water. You may have learned in school that oceans cover about 70% of the Earth. Still, although ...

Earth’s largest ecosystem is broiling. Every day for the last 12 months, the average temperature of most of the sea’s surface has been the highest ever recorded on that calendar date, preliminary data ...

About 71% of the Earth’s surface is water-covered, and the oceans hold about 96.5% of all Earth’s water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in ...

A warming climate doesn't just affect dry land — it affects the ocean, too. For many years, Earth's ocean has acted as a heat sink for climate change: A large part of the heat generated by human use ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For years, climate experts have been sounding the alarm about the ...

For the eighth year in a row, the world’s oceans absorbed a record-breaking amount of heat in 2025. It was equivalent to the energy it would take to boil 2 billion Olympic swimming pools. The study, ...

The “deep blue sea”—and our “blue planet” along with it!—owe their iconic color to the light of the sun. When the sun shines on the ocean, the water absorbs the longer red and orange wavelengths of ...