The islands of the Pacific Ocean are on the frontline of climate change. Sea level rise will eventually erase some from the map and make many more uninhabitable. Tom Heap and Helen Czerski hear from ...

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

Preliminary reports from the U.S. Tsunami Warning System said tsunami waves were possible for coastlines within about 190 miles of the earthquake’s epicenter, including those on Tonga. The system ...