Trump cited 57 nuclear weapons in North Korea's arsenal, marking the first time a U.S. official has publicly put an exact number on Pyongyang's stockpile.

Kim Yo-jong, a powerful adviser and sister of Kim Jong-un, also said she was “unaware” of any communication with Washington, contradicting President Trump’s claim her brother had responded to his outr

Trump faces a stronger North Korea with 50-70 nuclear weapons and a powerful new partner in Russia, leaving denuclearization increasingly out of reach.

Trump met North Korea's leader three times during his first term, but is yet to see Kim face-to-face in his second administration.

There are 57 reasons why Trump's handling of North Korea and Iran is not the same.

If the president wants another summit with North Korea’s dictator, the reasons may be as emotional as they are practical.