Prince William rode in a tank during a visit with British troops in Estonia, calling back to a childhood moment with his ...

The “city under the ice” revealed a hidden chapter of the Cold War era and gave rise to a new field of scientific inquiry. As ice melt accelerates, its story isn’t over yet.

Japan’s Ministry of Defense plans to expand a two-year-old army base on Ishigaki Island, near Taiwan, as part of efforts to ...