El Niño and La Niña periods often last nine to 12 months, but can go on for years and don’t occur on a regular schedule.

Intense downpours were swept into the region this week by an ‘atmospheric river’ storm system from the Pacific Ocean.

The Pacific Ocean is by far the world's largest ocean, more than five times wider than our moon. But why is the Pacific so big? Covering about 63 million square miles (163 million square kilometers) — ...

A record-breaking and astonishingly expansive marine heat wave is underway in the Pacific Ocean, stretching about 5,000 miles from the water around Japan to the West Coast of the United States. The ...

An earthquake of 6.5 magnitude struck the North Pacific Ocean, a statement by the National Center for Seismology (NCS) said.

The U.S. Coast Guard has seized more than 150,000 pounds of cocaine off the west coast of North America since early August.

The Pacific Ocean is by far the world's largest ocean, more than five times wider than our moon. But why is the Pacific so big? The predecessor of the Pacific Ocean was Panthalassa, or the ...