AFGHANISTAN

WhatsApp was by far Facebook's most expensive purchase, bought for $19 billion in February.

The president is promising drone transparency again. Why should anyone believe his most recent pledge?

The operation has been active since at least 2011 and could be the most elaborate cyber espionage campaign uncovered to date from any nation.

President Obama addressed the U.S. Military Academy's class of 2014 Wednesday.

The class of 2014 is the first class "to graduate since 9/11 who may not be sent into combat in Iraq or Afghanistan," Obama said.

The decision means that Obama will leave office in early 2017 having extricated the country from the longest war in U.S. history.

The State Department is urging all American citizens to leave immediately as a rebel general takes on the Islamist-led government.

The accidental exposure to the press corps occurred during the president's weekend visit.

The president hopes to decrease that number to less than 1,000 by the end of 2016 and hinges on the Afghan government’s backing.

At his swearing-in ceremony, India's new Prime Minister Narendra Modi met leaders from various neighboring countries.

The official, identified as "Chief of Station" in Kabul, was named as being among those at a briefing with Obama during his trip to the Afghan capital.

The president's address at Arlington hinted at the scandal over VA care.

The station chief in Kabul was identified as being present at Obama's vitit to U.S. troops.

10 photos from around the world.

Secretary Ray Mabus, a numbers man, tries to navigate the U.S. Navy through the perils of budget cuts.

The move would depend on the outcome of the independence referendum.

Sebastian Junger's new opus takes an intimate look at the experiences of the soldiers involved in the conflict.

Is an unannounced Memorial Day trip an antidote to criticism of his handling the VA scandal?

President Hamid Karzai is expected to visit India on May 26 to attend Prime Minister-designate Narendra Modi's swearing-in ceremony.

The Taliban is trying to undermine Western forces in Afghanistan and disrupt the second round of elections slated for June 14.

The Taliban said it would target Afghan troops, but it's unclear if they are behind the attack.