Newsweek's weekly update maps the locations of 11 aircraft carriers in the Indo-Pacific region as of March 28.

It's an intriguing finding that suggests a "lost world" could be lurking deep below the Pacific Ocean, highlighting how much there still is to learn about what's going on deep below our planet's ...

A photo of the earth and its oceans taken from space. The photo has been changed so we can see all of the earth’s surface in one picture. The Pacific Ocean is the world’s largest ocean.

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 ...