NOAA explorers discovered a massive underwater mountain near Palau using sonar mapping during ocean exploration cruise.

Plastic risk maps reveal hidden ocean hotspots where wildlife faces harm from ingestion, entanglement, and chemicals.

A deep-sea exploration off the coast of Hawaii has revealed a striking natural formation on the Pacific seafloor that’s left ...

Scientists have discovered and explored a giant hydrothermal system at the bottom of the Pacific, which could provide a ...

Forecasters warned that swells from Hurricane Kiko could reach the Hawaiian Islands by the end of the weekend and cause ...

Kiko was a post-tropical cyclone in the North Pacific Ocean early Wednesday Hawaii time, the National Hurricane Center said in its latest advisory. Kiko is the 11th named storm to form in the Eastern ...

Hurricane Iona is "rapidly weakening" well to the south of Hawaii, and more weakening is expected on Wednesday, the National Hurricane Center said in an advisory late Tuesday night. In an advisory ...

Henriette regained tropical storm strength in the Pacific Ocean well east of Hawaii on Saturday, but forecasters said it was still not expected to pose a threat to land. The storm was located about ...

HONOLULU — Commercial fishing that recently resumed in a vast protected area of the Pacific Ocean must halt once again, after a judge in Hawaii sided this week with environmentalists challenging a ...