Scientists have launched a fresh effort to find out what could be producing oxygen at the bottom of the Pacific Ocean.

Researchers have unveiled world-first deep-ocean landers to uncover how the mysterious dark oxygen is produced in complete ...

HONOLULU (AP) — 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 ...

La Niña—a climate phenomenon characterized by unusually cool sea surface temperatures in the central and eastern tropical Pacific Ocean—can persist for multiple years, exerting significant climate ...

Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump participates in a trilateral signing ceremony with Armenian Prime Minister Nikol Pashinyan and Azerbaijan ...