The unprecedented Iranian attack on Israel presents U.S. officials with mounting challenges in trying to contain the conflict and maintain a deterrence against Iran and its allies.

The succession from Queen Elizabeth II to Charles could accelerate anti-monarchy movements in countries where the Crown is still head of state.

Houthi attacks against commercial ships in the Red Sea have upended global shipping. The disruptions could soon ripple through the global economy.

Continuing efforts to broker a deal throughout the Middle East still could succeed, despite the latest failed effort to pause the fighting in the Gaza Strip and secure a hostage release.

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

AUKUS, a deal for the United States and United Kingdom to provide Australia with submarines, has infuriated France at a time when transatlantic coordination to deal with China’s rise is crucial.

Egypt remains reluctant to welcome Palestinians seeking to flee Gaza as Israel prepares a retaliatory offensive against Hamas, and hopes of a Cairo-mediated cease-fire remain premature. Here’s what’s…

Half a century later, Egypt regards its brief war with Israel as an important military milestone that initially bolstered its leaders, though in recent years, Egypt has weakened under repressive, ine…