El Niño – Southern Oscillation
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A 35-year satellite altimetry record lets scientists hold this year's El Niño up against its strongest predecessors.
A phenomenon rarer than a solar eclipse and more powerful than any single storm system is unfolding this fall, and…
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.
The process for producing NASA’s global temperature record is rigorous and complex. Here’s a look at how — and why…
If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half…
The natural climate phenomenon contributed to upheavals in temperature and rainfall patterns across the globe.
