Kim Jong Un Kim Jong Un

South Korean Unification Minister Cho Myung-gyun (left) shakes hands with North Korean chief delegate Ri Son Gwon after their meeting Tuesday at the village of Panmunjom in the Demilitarized Zone dividing the two countries. AFP/Getty Images hide caption

toggle caption
AFP/Getty Images

North And South Korea Reach Breakthroughs In First High-Level Talks In 2 Years

  • Download
  • <iframe src="https://www.npr.org/player/embed/576767432/576858298" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

On the domestic front in 2018, President Trump is expected to focus on immigration, infrastructure, welfare and health care. Nicholas Kamm/AFP/Getty Images hide caption

toggle caption
Nicholas Kamm/AFP/Getty Images

Kim Jong Nam had been critical of North Korea's dynastic rule. Kim Jong Un, who inherited the leadership in 2011, was believed to have issued a standing order for his brother's execution. Asahi Shimbun via Getty Images hide caption

toggle caption
Asahi Shimbun via Getty Images

North Korean Foreign Minister Ri Yong Ho leaves his hotel in New York on Monday. Ri says President Trump's tweets amount to a declaration of war against North Korea — and that the country can now defend itself under international law. Jewel Samad/AFP/Getty Images hide caption

toggle caption
Jewel Samad/AFP/Getty Images

TV screens at a store in Seoul, South Korea, show news coverage of the latest exchange of insults between President Trump and North Korean leader Kim Jong Un. Ahn Young-joon/AP hide caption

toggle caption
Ahn Young-joon/AP

In May 1962, the U.S. conducted its first and only test of a nuclear-tipped missile. Some worry North Korea could try something similar. United States Navy /Science Faction/Getty Images hide caption

toggle caption
United States Navy /Science Faction/Getty Images

How North Korea's Nuclear Tests Could Get Even More Terrifying

  • Download
  • <iframe src="https://www.npr.org/player/embed/548755431/552987109" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The government of North Korean leader Kim Jong Un conducted two nuclear tests last year. Wong Maye-E/AP hide caption

toggle caption
Wong Maye-E/AP

North Korea Claims Successful Hydrogen Bomb Test

  • Download
  • <iframe src="https://www.npr.org/player/embed/523913820/548290583" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Passers-by look at the North Korean missile's path over Japan, displayed on a huge screen in Tokyo on Wednesday. Japanese Prime Minister Shinzo Abe said he and President Trump have agreed to increase pressure on Kim Jong Un's regime after it launched a ballistic missile over the Japanese island of Hokkaido. Toshifumi Kitamura/AFP/Getty Images hide caption

toggle caption
Toshifumi Kitamura/AFP/Getty Images