North Korea

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CISAC Team Releases Satellite Imaging-Based Study of North Korean Uranium Mines

September 2019

North Korea currently has only one publicly known uranium mine—the Pyongsăn uranium mining and milling complex—that serves as a first step in the country’s pathway towards nuclear weapons.Using a...

After Hanoi: APARC and CISAC Experts Discuss the Outcome of the Trump-Kim Summit and the Future of U.S.-DPRK Diplomacy

March 2019

Following the abrupt ending of the highly anticipated second bilateral summit between President Donald Trump and North Korean leader Kim Jong-un in Hanoi, APARC and CISAC scholars evaluate the...

North Korea in 2018: A Q&A with Siegfried Hecker

February 2019

In May 2018, Stanford Center for International Security and Cooperation (CISAC) scholars Siegfried Hecker, Robert Carlin, and Elliot Serbin released an in-depth report analyzing the nuclear history...

Why will it take at least ten years for North Korea to abandon its nuclear program? Q&A with Dr. Siegfried Hecker

December 2018

Recently, the leaders of the two Koreas met again, and they signed a joint declaration which they said would bring peace to the Peninsula. How do you like the meeting and the declaration?

Why insisting on a North Korean nuclear declaration up front is a big mistake

November 2018

My reply to the frequently asked question if Kim Jong Un will ever give up North Korea’s nuclear weapons is, “I don’t know, and most likely he doesn’t know either.

Siegfried Hecker: 'A major positive' if Kim Jong-un dismantles Yongbyon

October 2018

This interview was first published in the Korea JoongAng Daily; the post below was originally posted in the Bulletin of the Atomic Scientists.In a recent interview in Seoul, nuclear scientist...

Siegfried Hecker's 'Solution' to North Korean Denuclearization - Interview with SisaIN (Korea)

July 2018

SisaIN: You suggested that the best way for denuclearization is to convert N.

Why did Kim Jong Un blow up his nuclear test site?

May 2018

STANFORD, Calif. — When President Trump abruptly canceled the summit with North Korea last week, it overshadowed the closing of North Korea’s nuclear test site just a few hours before.

Stanford researchers release risk-management roadmap to denuclearization in North Korea

May 2018

Immediate denuclearization of North Korea is unrealistic, said Stanford scholars in an in-depth report released by the Stanford Center for International Security and Cooperation (CISAC). Instead,...

Next generation of Russian, U.S. nuclear professionals work together at Stanford

May 2018

How can a new generation of scholars from around the world work together to prevent the use of nuclear weapons, from nuclear terrorism to developments in North Korea?

Hecker: North Korean nuclear test shows steady advance

September 2017

In a Q&A with Elisabeth Eaves at The Bulletin of the Atomic Scientists, CISAC's Siegfried Hecker explains how the latest North Korean nuclear test is different, what North Korea's capabilities...

What to make of North Korea’s latest nuclear test?

September 2016

On September 9, 2016, seismic stations around the world picked up the unmistakable signals of another North Korean underground nuclear test in the vicinity of Punggye-ri.

William Perry Warns of Nuclear Dangers in Drell Lecture

February 2016

Former U.S. Secretary of Defense William J.

North Korean Nuclear Test Destabilizing for Region

January 2016

Stanford nuclear policy experts say that economic sanctions alone might not be enough to curtail the country's nuclear program.

CISAC Nuclear Expert Analyzes North Korean Hydrogen Bomb Claims

January 2016

Former Los Alamos National Laboratory director Siegfried Hecker assesses North Korea’s claim to have detonated a hydrogen bomb in an underground nuclear test this week.

Hecker receives AAAS Award for Science Diplomacy

February 2014

CISAC Senior Fellow Siegfried Hecker is awarded AAAS's annual Science Diplomacy Award for his "lifetime commitment to using the tools of science to address the challenges of nuclear...

Perry's new class: Nuclear weapons remain dominant threat

December 2013

Former Secretary of Defense William J. Perry's new winter class will emphasize the continuing threat of nuclear weapons; slated as online course next year.

North Korea reactor restart sets back denuclearization

October 2013

Siegfried Hecker, a senior fellow at CISAC, writes in this commentary for the Bulletin of the Atomic Scientists that North Korea's decision to restart its 5-megawatt nuclear reactor is a big step...

North Korea's Yongbyon nuclear facility appears ready for restart

September 2013

CISAC's Nick Hansen and Jeffrey Lewis reveal new satellite imagery that indicates North Korea is likely restarting is nuclear reactor at Yongbyon, despite Pyongyang's commitment in 2007 to shut...

Tracking North Korean nuclear sites with cloud computing

May 2013

Analysts at CISAC, together with the James Martin Center for Nonproliferation Studies, are playing a leading role in deriving new and timely information of global security relevance from a variety...

Hecker responds to NKorea's intent to expand nuclear arsenal

April 2013

North Korea says it will restart its nuclear facilities, including its nuclear reactor in Yongbyon, which had been mothballed since 2007.

Hecker steps down as co-director, but not away from CISAC

February 2013

Siegfried Hecker, CISAC's co-director for five years, is stepping down from his leadership role to take a sabbatical and work on his book.

North Korea keeps its pledge to conduct nuclear test

February 2013

North Korea keeps its pledge to conduct a third underground nuclear test. We ask our experts to weigh in on the detonation condemned by the White House as destabilizing.


Photo of Oriana Skylar Mastro Oriana Skylar Mastro Center Fellow
2018 02 12 miis day1 high res 112 Melissa Hanham Affiliate
Carlin Robert Robert Carlin Affiliate
Kathi ohne Brille Katharina Zellweger North Korea Program Affiliate