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

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 ...

The Earth’s mantle, stretching up to 1,800 miles thick and making up a whopping 84% of the planet’s volume, used to be ...