The advanced U.S. fighter aircraft will mark a significant upgrade to Ukraine’s air force, but their impact on the war with Russia will hinge on several factors.

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.

Governments and companies are embracing new emissions-reducing technologies that pull carbon dioxide out of the atmosphere. But it is uncertain whether this can work at the scale and in the time nece…

Against a backdrop of widespread violence, a record number of voters will look to elect Mexico’s first woman president in a June election that polls predict will go to Claudia Sheinbaum.

Japanese Prime Minister Kishida Fumio’s Washington summit on April 11 comes at a time of deepening security cooperation as well as some challenges to economic ties.

The death toll from the Israel-Hamas war continues to mount, with no lasting settlement in sight. Meanwhile, concerns about humanitarian catastrophe and regional violence are spreading.

As the world rapidly grows more urban, city leaders are turning to a new form of voluntary, locally oriented diplomacy to coordinate with their global peers on sustainable development, infrastructure…