Elise Hu

North Korea's powerful are gathering for their first ruling party congress in decades. Kim Jong Un is working to consolidate his power at home — and regionally — with an expanded nuclear arsenal.

At North Korea's first Workers' Party Congress in 36 years, Kim declares "unprecedented results" in recent nuclear and missile tests. He's shown greater willingness to speak publicly than his father.

The "Samsung SAT" is the South Korean company's aptitude test that features a gantlet of 160 questions in 140 minutes. Test yourself with a few practice questions.

Samsung's rigorous aptitude test underscores the company's near-mythical status in Korean society. "I think this is only the way to be successful," says a test-taker before braving the entrance exam.

The military officer's defection follows the news of 13 North Korean restaurant workers who defected en masse last week.

The U.S. State Department, the United Nations and human rights groups say South Korea's controversial National Security Law chokes freedom of expression.

Assimilating into South Korean society is rarely easy for North Korean defectors. Top plastic surgeons are volunteering their services to help minimize the scars they bear from painful, abusive pasts.

The isolated nation has undertaken a series of provocative steps, launching missiles and bombastic rhetoric. Analysts are debating what leader Kim Jong Un is trying to achieve.

The latest missile firing comes amid heightened tensions on the peninsula, following wide international condemnation for the North's January nuclear test.

Otto Warmbier, a 21-year-old University of Virginia student, had attempted to steal a propaganda sign from his Pyongyang hotel. He was convicted of subversion. The White House called for his release.

A top world Go champ lost the last of five games against Google's AlphaGo. But both sides are going home from the match with a lot more to learn.

When the earthquake, tsunami and nuclear crisis hit Japan in 2011, U.S. troops delivered aid in Operation Tomodachi, Japanese for "friends." Another Tomodachi program brings Japanese kids to the U.S.

Deadlines to rehouse evacuees have come and gone. It's still not clear when they might go home, and if so, what would they return to?

In response to North Korea's recent nuclear test and rocket launch, the U.S. and China spent weeks negotiating new sanctions. On Tuesday, Russia asked for the vote to be postponed until Wednesday.

In the weeks between North Korea's nuclear test and rocket launch, 4,000 new American troops have arrived in South Korea. They're still adjusting to challenges, both big and small.

For more than 300 years, children have performed kabuki, Japan's classical theater, in the village of Damine. But as residents age or leave for cities, Damine is running out of young performers.

As the international community grapples with how best to stymie North Korea's nuclear development, South Korea is making one move on its own. It's shutting down the last remaining vestige of inter-Korean cooperation, the Kaesong Industrial Complex.

The special zone, located north of the border just six miles inside of ...

Taiwanese officials canceled traditional New Year celebrations and instead went to temples to pray for earthquake victims.

State TV announced North Korea successfully launched a long-range rocket Sunday morning local time, and says the North plans to launch more satellites in the future. Pyongyang had informed the United Nations International Maritime Organization that it planned to fire a rocket into orbit sometime between February 7 and 14.

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Rescue operations are underway in the city of Tainan, on the southern end of Taiwan, after a magnitude 6.4 earthquake shook the area.