Both sides have blamed the other for the failure to reach a deal.
A two-day summit with North Korea's Kim Jong Un was announced at this year's State of the Union address.
Wharton professor Maurice Schweitzer explains the fundamental principles behind the skill.
There’s a state-run economy, where the state employs people and sends everyone official rations, and the underground economy.
Plus, we take a look at how locals are reacting.
North Korea's relationship with the U.S. is not about "aid or even investment," according to Leon Sigal, director of the Northeast Asia Cooperative Security Project at the Social Science Research Council.
In Singapore, on the eve of the nuclear summit, they’re naming cocktails after leaders Kim and Trump. But a bit more seriously, the service sector for which Singapore is known — and one reason it was chosen — is kicking into high gear. Click the audio player above to hear the full story.
In 2016, writer Travis Jeppesen became the first American to study at a North Korean university.
They call North Korea the Hermit Kingdom for a reason: It’s not exactly easy to see what’s happening with its economy. Here are a few things we know. Or think we know. Click the audio player above to hear the full story.
In a historic moment, North and South Korea have pledged there will be "no more war."