Add Yahoo as a preferred source to see more of our stories on Google. The ocean covers more than 70 percent of the Earth's surface. Considering how vast it is, scientists know relatively little about ...

Consistently warming oceans have fueled a rash of subtle records, especially on the West Coast. High tides get higher; temperatures set records.

Scientists studying ancient ocean fossils found that the Arabian Sea was better oxygenated 16 million years ago, even though ...

At this week’s U.N. Oceans Conference in the south of France, delegates need only glance outside the conference hall at the glittering Mediterranean for a stark reminder of the problem they are trying ...

Oceana scientist Caitlynn Birch explains how environmental DNA, or eDNA, helps us understand and protect the oceans ...

We are all affected by ocean conditions, and we're talking about huge things like global food security and human health, to fisheries we depend on, to the transport of a whopping 90% of the world's ...

Facing rising temperatures, a spike in acidity driven by an influx of carbon, mass habitat destruction, and inescapable pollution, the world’s oceans haven’t had it easy. But in an ominously literal ...

The world’s ocean absorbed more heat in 2025 than in any other year on record. The world’s ocean absorbed more heat in 2025 than in any other year on record.Marc Asensio—Getty Images Reporter The ...