Nuclear proliferation

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This combination of pictures created on April 09, 2025 shows US Middle East envoy Steve Witkoff (L) and Iran's Foreign Minister Abbas Araghchi (L)

Creating the Conditions for a Nuclear Deal with Iran

The Trump administration should focus on messaging pragmatic objectives for a deal and de-emphasizing U.S. efforts to exert “maximum pressure” on Iran while talks are ongoing.
Missile system on the background of sunset sky

Doubts Concerning America’s Reliability Should Not Lead to a European Nuclear Deterrent

Stepping away from NATO would reduce U.S. leverage over European allies, potentially leading to more nuclear-armed states.
The Environmental Restoration Disposal Facility is seen at the Hanford Nuclear Reservation June 30, 2005 near Richland, Washington

Nuclear Testing Is a Relic. Resuming It Would Be Reckless.

The United States will uphold its leadership in non-proliferation by refraining from unnecessary and destabilizing nuclear tests.
Department of Energy building in Washington, DC

Questions for Senators (and Journalists) to Ask Secretary of Energy Nominee Chris Wright

We asked leading experts what questions the Senate Committee on Energy and Natural Resources should focus on in Wright’s confirmation hearing.
Flags of the USA and Iran

U.S. Options for Iran Diplomacy in 2025

Trump faces a significant challenge in addressing Iran's nuclear program, but he also has an opportunity to reduce its proliferation risks.
TEHRAN, IRAN - JULY 3: Reformist presidential candidate Masoud Pezeshkian (L) holds a final rally of the campaign July 3, 2024 in Tehran, Iran. Pezeskhian faces former secretary of the Supreme National Security Council Saeed Jalili in Iran's run-off presidential election July 5. (Photo by Majid Saeedi/Getty Images)

Space May be Opening for Negotiations with Iran

As Iranian President Massoud Pezeshkian's officially assumes office tomorrow, there is a limited window of opportunity for renewed nuclear diplomacy.
Various countries' flags in front of UN building and fence with UN symbol

National Security at the United Nations This Week (Mar. 18-22)

Editors’ Note: This is the latest in Just Security’s weekly series keeping readers up to date on developments at the United Nations at the intersection of national security,…
Iran flag on metal wall. Conflict of atomic technology

Enhancing Nuclear Transparency in Iran Could Help Prevent a Wider War

Pursuing transparency measures now in Iran would help prevent the country's nuclear program from triggering a wider war.
US Secretary of Defense Lloyd Austin stands next to Saudi Defense Minister Khalid bin Salman

It’s Time to Close the Door on Biden’s Saudi Defense Deal

The Biden administration's potential defense deal with Saudi Arabia would undermine U.S. diplomatic efforts in the Middle East and could pave the path for a regional nuclear arms…

US-Russia Nuclear Arms Control Talks `Without Preconditions’: Somebody Has to Make the First Move

Three months after pledging to find ways to reduce the risks, the Biden administration has yet to take the lead, as it must for US security.
Graphic of three missiles on top of the Iranian flag.

An Opening to Deescalate the Iran Nuclear Crisis?

Iran’s recent willingness to work with the IAEA on transparency measures could be a step toward deescalating the nuclear crisis.
People release colorful paper lanterns on the Motoyasu River beside the Hiroshima Prefectural Industrial Promotion Hall, commonly known as the atomic bomb dome, to mark the 77th anniversary of the world's first atomic bomb attack in Hiroshima on August 6, 2022. (Photo by PHILIP FONG/AFP via Getty Images)

Biden Must Deliver on Disarmament at the G7 Summit in Hiroshima

The visit is a chance to outline a plan for avoiding an arms race with Russia and China and for reducing the risk of a nuclear catastrophe.
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