The UN nuclear agency’s latest report contains no "gotcha" disclosures about Iran’s nuclear capability but creates a clear impression of a weapons program in the works, says expert Mark Hibbs.

Adam Segal, a leading expert on China’s military and technological policies, says that North Korea’s decision to test missiles and explode a nuclear device in the face of Chinese warnings has produce…

Pyongyang appears determined to become a nuclear weapon state while still aiming to cultivate economic ties with the outside world, says expert Victor Cha.

Though Iran might be capable of making a nuclear weapon soon, whether it has decided to is up for debate and calls into question the pressure for immediate military action, says expert David Albright.

Iran’s fueling of the Bushehr reactor is a reminder of ongoing concerns about the country’s nuclear intentions. Negotiations with Iran on a broad set of issues, though unlikely, might be the best pat…