
A phenomenon rarer than a solar eclipse and more powerful than any single storm system is unfolding this fall, and NASA is tracking it closely. El Niño is a natural climate pattern that emerges roughly every two to seven years marked by warmer-than-normal water temperatures in parts of the equatorial Pacific. NASA scientists are keeping […]

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.