Two major weather agencies think it's increasingly likely that El Niño will form in the eastern tropical Pacific Ocean later ...

Add Yahoo as a preferred source to see more of our stories on Google. Water temperatures in a key section of the Pacific Ocean continue cooling off as autumn approaches, a sign that we may enter a La ...

A recurring springtime shift in Pacific Ocean salinity helps steer warm water eastward months in advance, amplifying El Niño ...

CLEVELAND — Hundreds of years ago, fishermen casting their nets off the coast of Peru and Ecuador noticed something unusual. Every few years, the ocean water in their usually productive fishing ...

Researchers have long been puzzled by the observed cooling of the eastern tropical Pacific and the Southern Ocean accompanying global warming. Existing climate models have failed to capture this ...