Skeptics don’t understand why Kyiv insists on holding a city of modest strategic value.

His unusual stance on the war shows just how fast his Church is changing.

Cheap, low-tech drones have become a vital weapon in a war where one side lacks long-range munitions.

Images from this year’s Ivan Kupala Night celebrations from Ukraine, Russia, Lithuania, and Poland

A lack of defense production has created an alarming gap between America’s strategy and its capabilities.

Ukrainian resistance and American support prevented a wide range of horrors.

Start-ups are redefining great-power conflict.

The U.S. president’s optimism about Ukraine creates the expectation that everything is possible—and commits him to a Ukrainian victory.

The U.S. risks provoking Russian aggression.

The congressional opposition to the president’s funding request explained—as far as it can be