Kim Jong-un and scientists applaud after the successful test of intercontinental ballistic missile Hwasong-14.
KCNA/Reuters
The international community has been trying to stop North Korea from developing long-range missiles for decades. So how did North Korea get one?
People watch news of missile test on a public TV screen in North Korea.
AP Photo/Jon Chol Jin
North and South Korea explained in four questions and answers.
South Korea’s Moon Jae-in victorious on May 9, 2017.
AP Photo/Ahn Young-joon
Markus Bell, University of Sheffield and Marco Milani, University of Southern California – Dornsife College of Letters, Arts and Sciences
An aggressive neighbor to the north, a sputtering economy at home – and two more thorny issues facing South Korea's new president.