South Korea's spy agency said Friday it was analyzing rare state media footage showing the powerful sister of North Korean leader Kim Jong Un with two children -- saying they could be hers.

North Korean leader Kim Jong Un has called for bolstering nuclear forces this year during a visit to a nuclear material ...

North Korea says it tested a cruise missile system, its third known weapons display this year, and vowed “the toughest” ...

This story appears in the June 2018 issue of National Geographic magazine. There are 25 million people in North Korea, but the only visible portraits are of its leaders. Regular people are rarely ...