Artificial intelligence will transform how wars are fought.

A growing number of countries are legalizing same-sex marriage amid a steady advance in rights for LGBTQ+ people, but opposition remains strong in many others.

Who calls the shots in Iran on economic policy, security, and domestic calls for reform? A look at the government’s organization chart indicates how complicated the answer is.

The Organization of American States is an important forum for regional diplomacy and has become more assertive in promoting the rule of law, human rights, and fair elections as some states face domes…