A look at the post-9/11 war powers law that the Trump administration could use to justify conflict with Iran.

President Trump’s announcement to halt peace talks in Afghanistan gives U.S. negotiators a chance to correct three critical mistakes.

The attacks on the sprawling Saudi oil facility bear all the hallmarks of an Iranian operation, marking a dangerous new phase in Gulf tensions.

A U.S. military operation that eliminated Islamic State leader Abu Bakr al-Baghdadi is welcome but fails to allay worries about the security vacuum caused by the removal of U.S. troops from northern …

Al-Qaeda could benefit from the death of the Islamic State’s leader, potentially regaining its worldwide reach and influence.