The world's greatest earthquake belt, the circum-Pacific seismic belt, is found along the rim of the Pacific Ocean, where ...

In February 2026 NOAA’s Climate Prediction Center adopted the Relative Oceanic Niño Index (RONI) to better characterize the past, present and future of ENSO. RONI accounts for the long-term ocean ...

What's at the bottom of the Mariana Trench, and how do we know? How deep does the ocean go? We'll answer these questions and more in this deep dive into the world's oceans. Come on in: The water's ...

A joint research effort among various countries has found microplastics in Indonesian ocean regions up to a depth of 2,450 meters.

The world's largest ocean basin is also the oldest. A basin is "a depression, or dip, in the Earth's surface," according to National Geographic. The Pacific Ocean is the largest, deepest and oldest ...