The Russians may have given North Korea technical help in building nuclear weapons, says Arthur Herman in National Review.
The risk here is loss of credibility, says Evelyn Farkas, NBC News national security analyst, providing her thoughts on President Trump's tough talk on North Korea and Iran while addressing the United Nations General Assembly.
Kim Jong Un's weapon of choice may be nuclear weapons. Donald Trump's is ridicule — and it works — says Jake Novak.
When President Trump addresses the United Nations on Tuesday, he will say international cooperation is necessary to thwart North Korea's nuclear ambitions.
Former consultant Geoffrey See has bet on North Korea's business potential for nearly a decade.
"The president's public remarks have been off," former diplomat Nicholas Burns says.
President Trump needs to encourage nations to impose stronger economic sanctions, says Amb. Nicholas Burns, Harvard Kennedy School professor, weighing in on combating North Korea's threats.
Amb. Nicholas Burns, Harvard Kennedy School professor and former undersecretary of State for political affairs (2005 to 2008), provides his thoughts on the Trump administration's handling of North Korea's threat, and the message Kim Jong Un is attempting to send by lobbing missiles over Japan.
Decorated veteran Daniel Davis says he's "concerned" the U.S. is not backing down from threat of military action against North Korea.
North Korea will be high on the agenda at the U.N. General Assembly meeting, where Trump is set to address the world body he has called weak.
North Korea's goal is reaching "equilibrium" of military force with the United States, its state agency said on Saturday.
South Korea suffered a failure of one of its missiles Friday, raising questions of whether it's prepared for a conflict with North Korea.
The threat from North Korea is about more than missiles and nuclear weapons, says Korea Economic Institute's Troy Stangarone.
Stop North Korea from getting hard assets into the country, says John Yoo, Berkeley University Law School professor, discussing U.S. options against North Korea, including using high-tech tools to pressure the regime.
NBC's Hans Nicholas reports North Korea launched a missile from Pyongyang that passed over Japanese air space and landed 2,000 kilometers east of Cape Erimo in Hokkaido.
John Park, Harvard Kennedy School and Korea Working Group director, provides insight to handling North Korea's bullying threats and China's role in helping to contain the problem.
The missile flew further than any other so far, reports CNBC's Chery Kang on North Korea's latest missile tests.
Seoul's rapid response to its northern neighbor's latest missile launch is worrying some about the arms race on the Korean Peninsula.
China opposes North Korea's nuclear weapons development, but wants the U.S. to restart long-stalled negotiations with North Korea.
Evan Osnos, The New Yorker Magazine staff writer, talks about North Korea's sharp rhetoric just days after the U.N. Security Council unanimously approved tougher sanctions on the rogue nation, and what the U.S. can do to deter them.