El Niño may take shape later this year, and the ripple effects could show up in U.S. weather during the second half of 2026.

The tools scientists have relied on for decades to track El Niño and La Niña are breaking down, and the reason is ...

Scientists are rethinking how they track Pacific Ocean temperatures as global warming reshapes climate patterns. A simple yet effective math trick is helping them spot El Niño and La Niña more clearly ...

The Pacific Ocean is warming so quickly that scientists had to find a new method for detecting and predicting El Niño and La ...

It's not yet certain but Australia could be facing some extreme weather conditions in the second half of the year.

The large-scale Pacific Ocean climate patterns that help steer weather patterns around the globe are shifting yet again.

The method for classifying El Niño and La Niña is also changing. As of Feb. 1, NOAA adopted a new index that accounts for climate change. This article originally published at As La Niña is ending, ...

A major pattern shift is hitting America as a series of storms threatens to buries the Sierra Nevada under feet of "insane" snow while a massive 1,000-mile-wide storm prepares to wash out Valentine’s ...

Hurricane season officially is still several months away, but experts are already watching for early signs of what’s ahead. What to know in Florida.

La Niña has been active since mid-October. However, according to the January update from the National Oceanic and Atmospheric Administration, it’s likely to end over the next couple of months, and a ...

La Niña is cooler waters in the Pacific. El Niño is warmer. That's the big difference between the two phases of the El Niño Southern Oscillation (ENSO). The Climate Prediction Center released their ...