The sudden start to the inter-Korean peace process last year renewed interest in the resumption of joint economic activities like Kaesong, though there has been little indication if the complex will be open again in the coming months or years.

North Korea and Vietnam share a complex past, but potentially a parallel future where economic reform and one-party rule coexist.

Seismic activities in the area around North Korea's nuclear testing site raise questions about future earthquakes, and even possibly volcanic activities.

With 2018 drawing to a close, here is a look back at the summits Kim Jong-un has participated in with other world leaders.

Despite a boost in approval from the third inter-Korean summit, Moon Jae-in’s approval ratings have dropped to levels similar to before the summit.

For the first time in his presidency, South Korean President Moon Jae-in has seen his approval ratings fall below 60 percent as economic issues rise to the forefront of public concern.