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 Weather Channel's Jen Carfagno says we often hear about El Nino, she explains just what it is.

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

The El Niño Southern Oscillation (ENSO) is a natural pattern of ocean and atmospheric changes in the tropical Pacific Ocean that can influence the weather pattern ...

The Climate Prediction Center said there's a 60% chance the climate phenomenon exits between February and April this year.