Analysis

Cover of "When Did (and Didn’t) States Proliferate?"

When Did (and Didn’t) States Proliferate?

New joint CNS-Belfer Center publication chronicles the history of—and reasons behind—nuclear proliferation worldwide.

Flag of North Korea

Kim Jong Un’s Quest for an ICBM

North Korea has at least four paths to a working ICBM, and they suggest a country that will likely succeed before too long.

Israel’s Secret Plan to Nuke the Egyptian Desert

In May 1967, facing an unprecedented existential threat from Egypt and its other neighbors, Israel drew up a plan to detonate nukes in the Egyptian desert in a massive demonstration of power.

North Korean WMD: A Guide to Online Resources

North Korean WMD: A Guide to Online Resources

Find the best online resources that are up-to-date or are older materials of importance, written in English.

Technology Based Sanctions and North Korea’s Missile Program

In the face of another successful ballistic missile test by North Korea, how effective are technology-based sanctions as a nonproliferation tool?

The Location of America’s Nuclear Submarines Isn’t Really a Secret

The Location of America’s Nuclear Submarines Isn’t Really a Secret

Donald Trump’s mistake wasn’t lack of discretion. It was being too clever by half.

Elena Sokova, CNS Deputy Director

Nuclear Transparency Measures

Deputy Director Elena Sokova discusses US-Russian information exchanges on a CSIS podcast.

North Korea Nuclear / Radiological

Have North Korea’s Missile Tests Paid Off?

North Korea’s missile tests may eventually result in a deployable ICBM.

Is the United States Really Blowing Up North Korea’s Missiles?

The failures of North Korea’s missile launches are not the result of hacking.

North Korea’s Military Parade: What We Didn’t See

North Korea’s “Day of the Sun” parade suggests shifts in the country’s nuclear ambition.