Archive

Non-Proliferation

U.S. and international efforts to prevent the spread of nuclear weapons, materials, and technology — including treaties, safeguards, and cooperative threat reduction programs.

  • Chris Wright approves nuclear exports to Thailand

    The Department of Energy has approved a move to streamline U.S. civil nuclear exports to Thailand, easing regulatory requirements for American companies seeking to engage in nuclear energy projects in the country. Secretary of Energy Chris Wright signed a determination adding Thailand to the list of destinations eligible for “generally authorized” transfers of unclassified civil […]

  • NNSA, EM team up to move spent fuel from Venezuela reactor

    Two branches of the Department of Energy have, together with international partners, finished removing all leftover highly enriched uranium from Venezuela’s old RV-1 research reactor. DOE’s semiautonomous National Nuclear Security Administration (NNSA), the Office of Environmental Management (EM) and the Savannah River Site (SRS) in South Carolina participated in the U.S. effort, according to a […]

  • Chris Wright approves nuclear exports to Thailand

    The Department of Energy has approved a move to streamline U.S. civil nuclear exports to Thailand, easing regulatory requirements for American companies seeking to engage in nuclear energy projects in the country. Secretary of Energy Chris Wright signed a determination adding Thailand to the list of destinations eligible for “generally authorized” transfers of unclassified civil […]

  • Senators demand congressional review in Iran nuclear negotiations

    Senators from both parties are pressing the Donald Trump administration to submit any future agreement with Iran, and any provisions addressing Tehran’s nuclear program, for congressional review. Lawmakers returned to Washington this week seeking details about a preliminary memorandum of understanding between the United States and Iran that Trump said would help end hostilities and […]

  • Iran peace deal would end fighting, but nuclear details still uncertain

    The United States and Iran reached a deal to end the U.S. military campaign in Iran and open the Strait of Hormuz, according to Pakistan’s prime minister, but the questions still remain on Iran’s nuclear program.  Pakistani Prime Minister Shehbaz Sharif, a mediator between the two parties, told media outlets over the weekend that both […]

  • Senators demand congressional review in Iran nuclear negotiations

    Senators from both parties are pressing the Donald Trump administration to submit any future agreement with Iran, and any provisions addressing Tehran’s nuclear program, for congressional review. Lawmakers returned to Washington this week seeking details about a preliminary memorandum of understanding between the United States and Iran that Trump said would help end hostilities and […]

  • Iran peace deal would end fighting, but nuclear details still uncertain

    The United States and Iran reached a deal to end the U.S. military campaign in Iran and open the Strait of Hormuz, according to Pakistan’s prime minister, but the questions still remain on Iran’s nuclear program.  Pakistani Prime Minister Shehbaz Sharif, a mediator between the two parties, told media outlets over the weekend that both […]

  • IAEA Board of Governors passes resolution ordering Iran disclosure

    The International Atomic Energy Agency’s (IAEA) Board of Governors Wednesday approved a U.S.-backed resolution directing Iran to provide a full accounting of its enriched uranium stockpiles and grant inspectors access needed to verify the material’s status. The measure passed the 35-nation board by a vote of 21-3, with 10 abstentions, according to AI-Monitor. Russia, China […]

  • IAEA Director General: Iran must re-engage in nuclear inspections

    International Atomic Energy Agency (IAEA) head Rafael Grossi urged Iran to cooperate with the agency, warning inspectors remain unable to verify the status of Tehran’s enriched uranium stockpiles a year after U.S.-Israeli military strikes damaged key nuclear facilities. Addressing the International Atomic Energy Agency (IAEA) Board of Governors this week, Grossi called on Iran to […]

  • IAEA Board of Governors passes resolution ordering Iran disclosure

    The International Atomic Energy Agency’s (IAEA) Board of Governors Wednesday approved a U.S.-backed resolution directing Iran to provide a full accounting of its enriched uranium stockpiles and grant inspectors access needed to verify the material’s status. The measure passed the 35-nation board by a vote of 21-3, with 10 abstentions, according to AI-Monitor. Russia, China […]

  • IAEA Director General: Iran must re-engage in nuclear inspections

    International Atomic Energy Agency head Rafael Grossi urged Iran to cooperate with the agency, warning inspectors remain unable to verify the status of Tehran’s enriched uranium stockpiles a year after U.S.-Israeli military strikes damaged key nuclear facilities. Addressing the International Atomic Energy Agency (IAEA) Board of Governors, Grossi called on Iran to engage once more […]

  • NNSA breaks ground on new Oak Ridge nonproliferation facility

    The National Nuclear Security Administration (NNSA) is starting work on a new facility at Oak Ridge National Laboratory (ORNL) that the agency says will strengthen U.S. capabilities to monitor foreign uranium enrichment activities and support nuclear nonproliferation missions. The Advanced Testbed and Operations Learning Laboratory, or ATOLL, will be a 21,000-square-foot facility designed to develop […]

  • NNSA removes last cesium-using medical device from Lebanon

    As part of its efforts to remove high-risk radioactive material from the world, the Department of Energy’s National Nuclear Security Administration (NNSA) said Friday it has taken the last cesium-137 blood irradiator from Lebanon. It is an important milestone, NNSA said in a Friday May 29 press release. That’s because the cesium inside these medical […]

  • NPT review conference president urges sustained dialogue among nuclear powers

    The president of the 2026 Nuclear Non-Proliferation Treaty (NPT) Review Conference says continued engagement among the five recognized nuclear-weapon states is critical to reducing risks and preserving prospects for future arms control progress amid growing geopolitical tensions. Speaking at the Arms Control Association’s annual meeting, Vietnam’s United Nations Ambassador Do Hung Viet said disagreements among […]

  • NNSA breaks ground on new Oak Ridge nonproliferation facility

    The National Nuclear Security Administration (NNSA) is starting work on a new facility at Oak Ridge National Laboratory (ORNL) that the agency says will strengthen U.S. capabilities to monitor foreign uranium enrichment activities and support nuclear nonproliferation missions. The Advanced Testbed and Operations Learning Laboratory, or ATOLL, will be a 21,000-square-foot facility designed to develop […]

  • NPT review conference president urges sustained dialogue among nuclear powers

    The president of the 2026 Nuclear Non-Proliferation Treaty (NPT) Review Conference says continued engagement among the five recognized nuclear-weapon states is critical to reducing risks and preserving prospects for future arms control progress amid growing geopolitical tensions. Speaking at the Arms Control Association’s annual meeting, Vietnam’s United Nations Ambassador Do Hung Viet said disagreements among […]

  • NNSA removes last cesium-using medical device from Lebanon

    As part of its efforts to remove high-risk radioactive material from the world, the Department of Energy’s National Nuclear Security Administration (NNSA) said Friday it has taken the last cesium-137 blood irradiator from Lebanon. It is an important milestone, NNSA said in a Friday May 29 press release. That’s because the cesium inside these medical […]

  • Merkley still concerned about “gold standard” nuclear agreement with Saudis

    Sen. Jeff Merkley (D-Ore.) remains concerned that a prospective U.S.-Saudi Arabia 123 agreement may not include the “gold standard” nonproliferation provisions that bar uranium enrichment and spent fuel reprocessing. “You know, I have raised this at every opportunity, and always the answer is opaque,” Merkley said in an interview. “But what my impression is, no […]

  • Reprocessing “not ready for primetime” and poses proliferation concerns, Roecker says

    The United States should hold off on nuclear fuel reprocessing, until the proliferation concerns around the process are addressed, a former National Nuclear Security Administration (NNSA) official said recently. In a May interview with Exchange Monitor, Scott Roecker, who formerly served as the director of the Office of Nuclear Material Removal at NNSA, told the […]

  • Reprocessing “not ready for primetime” and poses proliferation concerns, Roecker says

    The United States should hold off on nuclear fuel reprocessing, until the proliferation concerns around the process are addressed, a former National Nuclear Security Administration (NNSA) official said recently. In a May interview with Exchange Monitor, Scott Roecker, who formerly served as the director of the Office of Nuclear Material Removal at NNSA, told the […]

  • Merkley still concerned about “gold standard” nuclear agreement with Saudis

    Sen. Jeff Merkley (D-Ore.) remains concerned that a prospective U.S.-Saudi Arabia 123 agreement may not include the “gold standard” nonproliferation provisions that bar uranium enrichment and spent fuel reprocessing. “You know, I have raised this at every opportunity, and always the answer is opaque,” Merkley said in an interview. “But what my impression is, no […]

  • Iran NPT exit could spur regional proliferation, scholar warns

    An Iranian withdrawal from the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) could destabilize the Middle East nonproliferation regime and prompt regional states to reconsider their treaty commitments, Iran scholar Sina Azodi said this week. Speaking at a Monday event hosted by the Stimson Center and moderated by former Iran task force leader Barbara […]

  • Nuclear lawmakers protest nonproliferation cuts during bill markup

    The proposed fiscal 2027 Energy and Water Development appropriations bill drew criticism from top Democratic appropriators over a $282 million reduction to the National Nuclear Security Administration’s (NNSA) Defense Nuclear Nonproliferation account. During debate at Wednesday’s full Appropriations committee markup, Rep. Rosa DeLauro (D-Conn.), ranking member of the House Appropriations Committee, argued the proposed 12% […]

  • Iran NPT exit could spur regional proliferation, scholar warns

    An Iranian withdrawal from the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) could destabilize the Middle East nonproliferation regime and prompt regional states to reconsider their treaty commitments, Iran scholar Sina Azodi said Monday. Speaking at an event hosted by the Stimson Center and moderated by former Iran task force leader Barbara Slavin, Azodi […]

  • Sen. Fischer says ‘listen to the scientists’ but be ready to test weapons

    Sen. Deb Fischer (R-Neb.), chair of the Senate Armed Services Strategic Forces subcommittee, said she has “faith” the models used at the national labs are good, but it’s “always good to be ready” to test weapons regardless. “I think we should listen to the scientists,” Fischer said in a panel with the Center for Strategic […]

  • Sen. Fischer says ‘listen to the scientists’ but be ready to test weapons

    Sen. Deb Fischer (R-Neb.), chair of the Senate Armed Services Strategic Forces subcommittee, said she has “faith” the models used at the national labs are good, but it’s “always good to be ready” to test weapons regardless. “I think we should listen to the scientists,” Fischer said in a panel with the Center for Strategic […]

  • Trump says Iran handing over uranium after U.S.-Iran talks reach stalemate

    President Donald Trump said Thursday on Truth Social Tehran agreed to give up the uranium buried after the Midnight Hammer airstrikes in June 2025, which would greatly reduce Iran’s ability to construct a nuclear weapon if true. Tehran has not yet confirmed the agreement, according to the Washington Post. Earlier this week, U.S.-Iran nuclear negotiations […]

  • IAEA confirms North Korea is expanding nuclear complex

    Rafael Grossi, director general of the International Atomic Energy Agency, said Wednesday North Korea has made a “very serious increase” to progress on its Yongbyon nuclear weapons complex, with expansions possibly including a new uranium enrichment facility. Grossi made his comments at a filmed press conference in Seoul, South Korea, where he met with South […]

  • IAEA confirms North Korea is expanding nuclear complex

    Rafael Grossi, director general of the International Atomic Energy Agency, said Wednesday North Korea has made a “very serious increase” to progress on its Yongbyon nuclear weapons complex, with expansions possibly including a new uranium enrichment facility. Grossi made his comments at a filmed press conference in Seoul, South Korea, where he met with South […]

  • U.S.-Iran talks reach stalemate over uranium enrichment

    United States–Iran nuclear negotiations have hit a stalemate over a fundamental dispute on uranium enrichment limits, major news outlets reported this week, underscoring the gap between nonproliferation demands and Tehran’s red lines. The U.S. proposed a sweeping restriction that would require Iran to halt uranium enrichment for up to 20 years and relinquish its existing […]