Iraqi forces are months away from being able to start a sustained ground offensive against the Islamic State.
U.S. officials are debating whether to tighten controls on the border with Canada following two attacks this week.
Air strikes by U.S.-led forces have killed 521 Islamist fighters and 32 civilians during a month-long campaign in Syria.
Canada vowed to redouble the country's fight against "terrorist organizations" after a convert to Islam rampaged through parliament.
A gunman shot a soldier and then entered the country's parliament buildings, with at least 30 shots fired in dramatic scenes in the heart of the Canadian capital.
U.S. Secretary of State John Kerry welcomed the release of one of three Americans held in North Korea.
The State Department says Jeffrey Fowle, one of three Americans being held in North Korea, has been released.
Iraqi pilots who have joined ISIS in Syria are training members to fly in three captured fighter jets.
The advance of ISIS fighters stalled after U.S.-led coalition warplanes launched their heaviest bombardment yet on the militants.
President Barack Obama told military leaders from more than 20 countries that he is deeply concerned about the radical group's advances.
President Barack Obama discussed the strategy with military leaders from 20 countries, including Turkey, Arab states and Western allies.
Up to 4,000 troops will deploy to West Africa to help contain an outbreak of the deadly virus.
The Pakistani teenager who was shot in the head by the Taliban for advocating girls' rights has won the 2014 Nobel Peace Prize.
Japan and the U.S. will update defense cooperation guidelines for the first time in nearly two decades.
Up to 100 people may have had contact with the first person to be diagnosed with the deadly virus in the U.S.
Insurgents in Iraq have carried out mass executions, abducted women as sex slaves, and used child soldiers, a new report says.
Refugee processing centers in Honduras, El Salvador and Guatemala will try to deter unaccompanied minors from crossing the border on their own.
Congress may not vote until next year on authorizing air strikes against Islamic State militants, despite some lawmakers' insistence that approval is already overdue.
President Barack Obama and new Indian Prime Minister Narendra Modi have vowed to deepen their countries' strategic partnership.
Afghanistan will sign a crucial security agreement allowing the U.S. to leave a small contingent of troops in the country beyond this year.