A rare squid was spotted for the first time ever in the northeast Pacific Ocean — one of only a handful of sightings of the elusive creature on record.

Three hurricanes — Karina, Lowell and Marie — are churning in the Pacific Ocean, a high level of activity that climate scientists say is on brand for El Niño.

A magnitude-6.3 earthquake struck the western Pacific Ocean near New Zealand on Wednesday, the third earthquake near the country so far this month.

The ship was among four vessels detained in a surveillance crackdown by 11 Pacific island nations, assisted by the U.S. Coast Guard.

Hundreds of millions of years from now, Earth will look unrecognizable as the globe’s largest ocean vanishes, and researchers say the continent “Amasia” will form from the collision of North America and Asia. A study recently published in National ...

The Manabí coastline in Ecuador stretches along the Pacific Ocean with rugged cliffs, forested hills, and a narrow shoreline shaped by the sea. This aerial view captures blue coastal waters meeting the base of steep earthy cliffs as waves form long white lines along the shore.

A gigantic volcanic superstructure hidden beneath the Pacific Ocean is bigger than Idaho and has been building for more than 120 million years. Scientists say it formed through multiple episodes of volcanism rather than one massive eruption.

Researchers utilized electronic recorders to monitor female northern elephant seals as they migrated. These remarkable creatures engage in deep dives, often multiple times, in their quest for food. The study revealed variability in dive depth and duration among individuals,