Nuclear Weapons

Experts analyze the US-Israel Iran military conflicts - covering nuclear diplomacy; strategic, security, and regional implications; and domestic and international law.

New START’s expiration highlights the limits of arms control designed for an earlier era of bilateral rivalry, without accounting for factors such as China's buildup.

In 2026, it is highly likely that countries such as South Korea and Saudi Arabia will move closer to developing the technical means—and political motivation—to build a bomb.

In 2026, the nuclear order will become more fragmented, less predictable, and increasingly difficult to govern through existing institutions.

There’s no shortage of opportunities to reduce the chances that a war game – or the plot of “Dynamite” – is never played out in real-time.

The science is sound, the stockpile is strong, and the call to test a nuclear bomb has no technical foundation. Resuming testing would not make America safer.

After abandoning nuclear arms for the Budapest Memorandum, Ukraine faces existential war -- proof that security “assurances” alone won't be enough now.

Acknowledgement and respect for human rights can encourage States, like the Marshall Islands, to join and actively participate in nuclear regimes.

On Aug. 28, three European nations triggered snapback of the UN's Iran sanctions. Kelsey Davenport explains its impact, next steps, and why it matters.

Just Security’s Tess Bridgeman is joined by Richard Nephew to discuss where things stand and what a path forward for Iran's nuclear program might look like.

The White House's future BDA briefings on the Iran strikes will likely project certainty where analysis still urges caution.

The White House’s legal justifications for attacking Iran are unconvincing and raise concerns about unauthorized use of force. Congress should push back.