Waves of higher, warmer water move eastward across the Pacific Ocean a few months before an El Niño emerges. Several have shown up in 2026 satellite data.

Understanding the dynamics of how water moves is deceptively simple in concept and endlessly complex in practice. Real-world marine environments are anything but controlled: weather, seasons, and ...

Scientists have solved the mystery of how Amphibolis antarctica, Australia’s strange sea nymph seagrass, reproduces underwater.

Although it can be hard to tell from looking at the often placid waters of the Earth’s oceans, their currents carry immense ...

Earth’s largest volcanic system, hidden in mountain chains under the sea, has long been assumed to erupt only quietly. The ...

Satellites captured footage of an underwater volcano eruption in a part of the sea that remains largely a mystery.

Hurricane season along the Atlantic Seaboard officially starts June 1. The six-month period that runs through the end of November is when major storms are most likely to form in the ocean, threatening ...

A growing pulse of unusually warm water moving eastward beneath the Pacific Ocean, which could reshape the upcoming Atlantic ...

Earth’s oceans are rising at nearly twice the pace seen in the 1960s, fueled by warming water and accelerating ice melt.