The new U.S. aid package will reestablish a critical flow of weapons to Ukraine’s military, but the war will hinge greatly on which side can ramp up and sustain its firepower and troop numbers in the…

The two-year-old war in Ukraine—which is far from deadlocked—could pivot dramatically in the coming months. U.S. decisions will play a decisive role.

The response to the temporary closure of the Port of Baltimore—from a deadly tanker collision—demonstrates the resilience of U.S. supply chains despite fears of costly disruptions.

South Korea must capitalize on its diplomatic push to bridge the divide between its longtime ally and its combative neighbor.

South Korea hopes to solidify its image as modern and efficient as host of the winter games, but its success relies heavily on cooperation from the North.

A little-known treaty provides transparency for confirming arms control agreements and serves as an important measure of the health of the U.S.-Russia relationship.