El Nino Southern Oscillation
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Super Typhoon In-fa developed an unusually large eye, and the remnants of Typhoon Champi transitioned into an extratropical storm that…

A 35-year satellite altimetry record lets scientists hold this year's El Niño up against its strongest predecessors.

Emissions on both sides of the island are unusually high as human-set fires spread in a landscape parched by drought.

During El Niño, a cascade of fires across the tropics begins in equatorial Asia and continues in the central and…

With Indonesia gripped by drought, fires are smoldering on the surface and underground.

Satellite measurements of chlorophyll at the sea surface signal shifts in the ocean’s nutrient supplies in mid-2026.

Satellite observations of sea surface height indicated that the 2026 event continued to strengthen in early June.

A weak La Niña emerged in the equatorial Pacific in late 2025, and scientists are watching how it may help…

Cool water has welled up in the tropical Pacific in winter 2024–2025. But it may not stick around for long.


