A major, 7.0-magnitude earthquake struck in the South Pacific Ocean on Monday, according to the United States Geological Survey. The quake prompted a brief “Tsunami Threat” for Tonga. Preliminary ...

Researchers uncover a possible active underwater volcano chain near the Cook Islands, hinting at fresh geological activity.

You may have to trek a bit to reach the thousands of islands that comprise the South Pacific, but the journey is well worth the effort. In this vast area, you'll discover unspoiled beaches ...