Cells of white males have formed in at least 30 states, united around racism and an interest in mixed martial arts. Extremism researchers say they're neo-Nazis looking to mainstream their ideas.

King, 23, was stationed in South Korea, but was scheduled to fly back to the U.S. to face disciplinary action when he escaped an airport outside of Seoul and managed to flee into North Korea.

Travis King crossed the border into North Korea on Tuesday, becoming the first U.S. service member to do so since 1982. A handful of American soldiers defected in the years after the Korean War.

NATO's expansion is the exact opposite of what Russia wanted, says Secretary-General Jens Stoltenberg. He spoke to NPR about its NATO's newest members, and when Ukraine might join them.

The U.S. government and Microsoft reveal Chinese hackers broke in to online email systems and stole some unclassified data.

The Marine Corps' highest-ranking officer position fell vacant on Monday thanks to a move from Sen. Tommy Tuberville, R-Ala., who continues to block nominations to protest a Pentagon abortion policy.

The U.S. dropped over 2 million tons of ordnance on Laos, including cluster bombs, in the 1960s and '70s. To this day, many people are killed, crippled and disfigured by them, writes Lewis M. Simons.

NATO Secretary-General Jens Stoltenberg says Turkey's leader has agreed to have Turkish parliament vote on Sweden's bid to join the defense alliance.

The war in Ukraine will be top of mind when leaders from North America and Europe meet in Lithuania. So will the makeup of the alliance itself, as Ukraine continues pushing for membership.

The antigovernment militant is scheduled to appear in a Boise, Idaho, court Monday on charges stemming from a tense protest that led to the lockdown of one of the state's large hospitals.

The U.S. has destroyed the last of its stockpile of sarin nerve agent, fulfilling a decades-old obligation.

U.S. officials maintained Friday that Ukraine has provided written assurances to minimize civilian casualties with the use of the controversial munitions.

More than 100 countries ban such weapons because unexploded bomblets can be picked up by civilians, causing injury or death. An announcement is expected Friday.

Treasury Secretary Janet Yellen is on her way to Beijing for talks with her Chinese counterparts. The meeting comes at a tense time, with tit-for-tat trade restrictions and rising strategic frictions.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.