Four Americans were killed Saturday in a huge explosion inside the largest US military base in Afghanistan, Secretary of Defense Ash Carter said. The Americans -- two servicemembers and two contractors -- were killed at Bagram Airfield by "an apparent suicide bomber," Carter said in a...

Hundreds of Boko Haram fighters and their families have surrendered in Chad in the past month, security and U.N. sources said, in a sign the military campaign against them is making headway. Boko Haram, which has killed and kidnapped thousands of people, had seized an area approximately the...

Elite Iraqi forces were engaged in "intense" fighting with jihadists in eastern Mosul on Saturday, an officer said, as civilians gathered on the city's outskirts to flee. Iraqi forces launched a massive operation to retake the country's second city from the Islamic State group on October 17,...

A flotilla of Russian warships is now in the eastern Mediterranean off the Syrian coast after being sent to reinforce Russia's military in the area, a naval commander said on state television. The commander of Russia's flagship Admiral Kuznetsov aircraft carrier Sergei Artamonov said via...