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Nuclear symbol inside the star of the North Korean Flag - the flag inside the shape of the country of North Korea

North Korea’s Nuclear Bomb: Can We Work Out Its Power?

How do we work out the size and nature of North Korea’s nuclear test? A physicist explains.

Flag of Iran (Src: Wikimedia Commons)

Trump’s Next Self-Inflicted Crisis Is a Nuclear Iran

If the president kills the nuclear deal, the backlash will come sooner than he thinks.

Five Myths About Missiles

We couldn’t necessarily destroy all of North Korea’s on the ground. Or in the air.

CNS article

No, Robert Mueller Is Not “Radioactive”

As Mueller continues his inquiries into potential Russian interference in the 2016 elections, conspiracy theorists are coming up with wild claims to undermine his credibility.

Donald Trump August 19, 2015 (Credit: Michael Vadon, Wikimedia Commons)

I’m a Nuclear Weapons Expert. Trump’s Presidency is My Personal Nightmare.

We’ve relied on mutually assured destruction to protect us from all-out nuclear war. It’s always been a fragile peace.

US-Russia Dialogue on Nuclear Issues

US-Russia Dialogue on Nuclear Issues

A track 1.5 event brought together current and former government officials and experts to identify areas of cooperation.

OP#31: Revisiting Compliance in the Biological Weapons Convention

OP#31: Revisiting Compliance in the Biological Weapons Convention

Occasional Paper #31 looks at the thorny issue of compliance when a verification protocol isn’t politically feasible.

INF Treaty Compliance

Violating Treaty to Punish Russia Has Major Consequences

The proposed congressional action risks opening a Pandora’s Box of issues that are far more fundamental than the INF Treaty.

Battered religious figures stand watch on a hill above a tattered valley. Nagasaki, Japan.

Hibakusha, the Ban Treaty, and Future Generations

This time every year, we have an opportunity to learn more about what happened in Hiroshima and Nagasaki when atomic bombs were dropped on these cities.

Atom

How Better Cancer Treatment Can Also Mean Better Nuclear Security

A report that the Islamic State almost stumbled upon radioactive material in Mosul–cobalt-60, used in radiation therapy–raises a profound dilemma about cancer treatment in developing countries.