The Islamic State has been nearly defeated and migrant crossings to Europe have declined, so why is Libya’s state failure so troubling?

Andres Manuel Lopez Obrador will likely become Mexico’s next president at a time of mounting concern over corruption and violence, but his reform plans are hazy.

Successful denuclearization will hinge on rigorous on-the-ground inspections and closing the gap between North Korea and the United States on what areas any agreement should cover.

The 1986 meeting in Iceland between U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev was like none other. It offers helpful context for a potential U.S.-North Korea arms control summi…

Iran could restart aspects of its nuclear program if President Trump declines to renew sanctions waivers this month, leaving major powers with few options for monitoring or restricting it.

The United States should follow targeted strikes in Syria with intensified global efforts to nullify the regime’s chemical weapons capabilities.

Armenia’s partnership agreement with the EU signals its shift toward Europe amid growing tensions between Russia and the West.

The poisoning of former double agent Sergei V. Skripal in the UK indicates that Russia may have abandoned some unspoken rules of espionage. CIA veteran Jack Devine examines the history and current state of spy-craft.

A historic dry spell has severely affected Cape Town's water supply, and global climate patterns suggest that other cities may face the same fate.

While sports may temporarily transcend divisions in society, events like the Olympics rarely serve to advance countries’ diplomatic aims.