Many of the world’s biggest earthquakes, volcanic eruptions and tsunamis occur along a chain of seismologically active ...

Commercial fishing that recently resumed in a vast protected area of the Pacific Ocean must halt once again after a judge in Hawaii sided with environmentalists challenging a Trump administration roll ...

The Pacific Ocean is filled with tropical activity as forecasters track Hurricane Gil, which is strengthening as it moves ...

On Tuesday, a powerful 8.8 magnitude earthquake rocked the area around Russia's Kamchatka Peninsula, resulting in tsunami ...

For Lam, the Pacific Ocean is one of a kind, she said, noting its size, geological history and geological complexity. "The Pacific is the most amazing ocean basin of all." ...

The eastern Pacific remains busy, with Tropical Storm Erick expected to strengthen into a hurricane by June 18. Here's the situation around Florida.

The eastern Pacific Ocean recently spawned another tropical storm, Dalila, which swiped southern Mexico for a brief time before heading out to sea. Yet another tropical rainstorm has formed in the ...