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.
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Uranium Enrichment & Fuel Cycle
NNSA Administrator responds to Science story on weaponizable HALEU
Responding to a 2024 article about the weapons potential of fuel used by some advanced reactors, the head of the National Nuclear Security Administration last week said the agency aims to evaluate risks of high-assay low enriched uranium. “It is important that U.S. [advanced and small modular reactor (A/SMR)] designs compete favorably in the global […]
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Non-Proliferation
Missing radiation source found in New Jersey; state, federal agencies say they did not use drones to look for it
Federal and state agencies on Tuesday said they did not look for a radiation source, since recovered, that went missing in New Jersey earlier this month. Spokespersons for the Nuclear Regulatory Commission, the Department of Energy’s National Nuclear Security Administration and New Jersey’s Department of Environmental Protection all said in emails Tuesday that they did […]
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Non-Proliferation
Missing radiation source found in New Jersey; state, federal agencies say they did not use drones to look for it
Federal and state agencies on Tuesday said they did not look for a radiation source, since recovered, that went missing in New Jersey earlier this month. Spokespersons for the Nuclear Regulatory Commission, the Department of Energy’s National Nuclear Security Administration and New Jersey’s Department of Environmental Protection all said in emails Tuesday that they did […]
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Non-Proliferation
Missing radiation source found in New Jersey; state, federal agencies say they did not use drones to look for it
Federal and state agencies on Tuesday said they did not look for a radiation source, since recovered, that went missing in New Jersey earlier this month. Spokespersons for the Nuclear Regulatory Commission, the Department of Energy’s National Nuclear Security Administration and New Jersey’s Department of Environmental Protection all said in emails Tuesday that they did […]
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International
Investigation into Syrian nuclear weapons interrupted by Assad collapse, IAEA said
The International Atomic Energy Agency’s probe into Syria’s potential nuclear weapons activities paused when rebels took control of the Syrian capital and forced its former dictator to flee. Rafael Grossi, director general of the International Atomic Energy Agency (IAEA), said in a presentation in Oslo, Norway Wednesday that Syrian president Bashar Al-Assad gave the nuclear […]
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International
Drone hit and damaged IAEA vehicle at Ukraine’s ZNPP this week
The rear of an International Atomic Energy Agency vehicle was destroyed by a Kamikaze drone during a rotation at Ukraine’s Zaporizhzhya Nuclear Power Plant, the agency said in a release Tuesday. Personnel from the International Atomic Energy Agency (IAEA), a driver and a security officer, were unharmed, IAEA said. The incident occurred almost five miles […]
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International
Wrap up: Belarus deployed Russian warheads; Australia honors Rep. Joe Courtney; McConnell falls; Air Force commander says don’t forget about NC3; More
Belarus’s president Alexander Lukashenko said this week that “several dozen” Russian nuclear warheads are deployed in his country, according to state-owned news agency BELTA Tuesday. “I have brought nuclear warheads here. … Many people are writing: ‘It’s a joke. No one has moved anything anywhere.’ They have. The fact they think it’s a joke means […]
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International
IAEA condemns Iran, State Department agrees, Iran activates centrifuges in response
In response to a statement by a watchdog nuclear agency condemning its nuclear program, Iran’s state news agency reported Tehran started activating new advanced uranium-enriching centrifuges. According to the Islamic Republic News Agency (IRNA), the Atomic Energy Organization of Iran and the Iranian Foreign Ministry issued a joint statement Friday calling the International Atomic Energy […]
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International
IAEA condemns Iran, State Department agrees, Iran activates centrifuges in response
In response to a statement by a watchdog nuclear agency condemning its nuclear program, Iran’s state news agency reported Tehran started activating new advanced uranium-enriching centrifuges. According to the Islamic Republic News Agency (IRNA), the Atomic Energy Organization of Iran and the Iranian Foreign Ministry issued a joint statement Friday calling the International Atomic Energy […]
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International
NNSA and Japan converted 110th research reactor and facility together
The National Nuclear Security Administration collaborated with Japan’s Kyoto University to convert a reactor to run on high-assay low enriched uranium, according to an agency press release. The National Nuclear Security Administration (NNSA) and Japan’s Ministry of Education, Culture, Sports, Science and Technology first agreed to convert Kyoto University Critical Assembly’s (KUCA) fuel in a […]
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International
IAEA director general visits Tehran this week
The head of the International Atomic Energy Agency will visit Iran’s capital this week to meet with Iranian government officials, according to an agency press release. Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi said in the release that holding technical discussions and making “substantive progress” in implementing the IAEA Joint Statement […]
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International
IAEA director general visits Tehran this week
The head of the International Atomic Energy Agency will visit Iran’s capital this week to meet with Iranian government officials, according to an agency press release. Director General of the International Atomic Energy Agency (IAEA) Rafael Grossi said in the release that holding technical discussions and making “substantive progress” in implementing the IAEA Joint Statement […]
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International
Republic of Korea and U.S. have provisional agreement on nuclear cooperation
The U.S. and the Republic of Korea reached a memorandum of understanding on principles concerning nuclear exports and cooperation on Friday Nov. 1, DOE said Monday. According to an agency press release, the countries as of Monday had yet to complete their final review of the memorandum of understanding (MOU). According to DOE’s release, the […]
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International
Republic of Korea and U.S. have provisional agreement on nuclear cooperation
The U.S. and the Republic of Korea reached a memorandum of understanding on principles concerning nuclear exports and cooperation on Friday Nov. 1, DOE said Monday. According to an agency press release, the countries as of Monday had yet to complete their final review of the memorandum of understanding (MOU). According to DOE’s release, the […]
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International
Israel reportedly attacked facilities linked to Iran’s nuclear program
Over the weekend, Israel attacked two Iranian military bases, one of which the International Atomic Energy Agency suspected is linked to Tehran’s nuclear program, media reported. Iran’s Parchin military base southeast of the capital in Tehran was used to test high explosives for use in nuclear weapons, the Washington-based nonprofit Institute for Science and International […]
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International
Israel reportedly attacked facilities linked to Iran’s nuclear program
Over the weekend, Israel attacked two Iranian military bases, one of which the International Atomic Energy Agency suspected is linked to Tehran’s nuclear program, media reported. Iran’s Parchin military base southeast of the capital in Tehran was used to test high explosives for use in nuclear weapons, the Washington-based nonprofit Institute for Science and International […]
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International
NNSA delegation visited Australia following signing of nuclear security agreement
A delegation from the National Nuclear Security Administration visited the Australian Nuclear Science and Technology Organization’s Lucas Heights campus in Sydney last week, the Australian agency’s press release said Monday. The visit followed the signing of a memorandum of understanding (MoU) between the two countries during the U.N. International Atomic Energy Agency’s International Conference on […]
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Non-Proliferation
NNSA hosted workshop in Greece on reducing risks radiological terrorism
The National Nuclear Security Administration’s office of radiological security hosted a workshop in Thessaloniki, Greece, to showcase technologies aimed at reducing terrorism risks, the agency said Friday. Representatives and regulators from Algeria, Greece and Italy attended the workshop on Sept. 17-18 to listen to and network with experts from the National Nuclear Security Administration’s (NNSA) […]
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Non-Proliferation
NNSA hosted workshop in Greece on reducing risks radiological terrorism
The National Nuclear Security Administration’s office of radiological security hosted a workshop in Thessaloniki, Greece, to showcase technologies aimed at reducing terrorism risks, the agency said Friday. Representatives and regulators from Algeria, Greece and Italy attended the workshop on Sept. 17-18 to listen to and network with experts from the National Nuclear Security Administration’s (NNSA) […]
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Non-Proliferation
IAEA ambassador states U.S. goal of a Middle East ‘free of weapons of mass destruction’
An ambassador from the International Atomic Energy Agency advocated in a statement last week for a Middle East free of “weapons of mass destruction” and for more safeguards there. “We remain committed to working with the regional states to advance this goal in an inclusive, consensus-based manner that takes into account the legitimate regional security […]
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International
Iran supreme leader says ‘no harm’ in engaging its ‘enemy’ in nuclear talks
Iran’s supreme leader told the country’s government Tuesday he was open to nuclear talks with the U.S., but that Iran should not “trust the enemy.” “Don’t place your hopes in the enemy,” Iran’s supreme leader ayatollah Ali Khamenei said in a post on the website X, reiterating what he said in a video message on […]
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International
State Department says ‘proof is in the pudding’ for Iran’s new direction regarding nukes
Iran must comply with International Atomic Energy Agency rules again to enter nuclear talks with the U.S., a State Department spokesperson said this week after the Islamic Republic swore in a new president. The spokesperson said July 29 that the state department has “no expectation” that the election of Iranian President Masoud Pezeshkian, a self-styled […]
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International
State Department says ‘long way’ from negotiating nukes with new Iranian president
A State Department spokesperson said in a press briefing last week that Iran must comply with International Atomic Energy Agency rules again to re-enter nuclear talks with the U.S. The spokesperson was responding to a reporter’s question July 23 about comments on entering nuclear talks with Iran’s newly elected president Masoud Pezeshkian, a self-identified “reformist” […]
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Non-Proliferation
U.S. should ready for return to nuclear testing at Nevada, conservative policy document says
The United States should get ready to again test nuclear weapons at the Nevada National Security Site if former President Donald Trump (R) wins reelection in November, according to conservative policy document released last week. In a list of “needed reforms,” Project 2025’s Mandate for Leadership, a conservative policy blueprint written by former Trump administration […]
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International
Wrap up: U.S.-Philippines 123 agreement; NNSA hosts gender equality workshop in Argentina; ACA says Iran presents nonproliferation risks; More
The U.S. and the Philippines entered into a civil nuclear cooperation agreement, or 123 agreement, on July 2, the State Department said in a press release. Vice President Kamala Harris announced in 2022 that the two countries had entered into negotiations, of which Philippine Energy Undersecretary Sharon Garin said were in the “home stretch” in […]
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Non-Proliferation
U.S. should ready for return to nuclear testing at Nevada, conservative policy document says
The United States should get ready to again test nuclear weapons at the Nevada National Security Site if former President Donald Trump (R) wins reelection in November, according to conservative policy document released last week. In a list of “needed reforms,” Project 2025’s Mandate for Leadership, a conservative policy blueprint written by former Trump administration […]
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International
Iran elects new president that campaigned to restart nuke talks with the U.S.
In Iran’s election run-off Friday, Iran’s citizens voted in a candidate that promised in his campaign to negotiate with the U.S. and Europe on nuclear activities again, media outlets reported. Masoud Pezeshkian, a lawmaker and heart surgeon, defeated conservative opponent Saeed Jalili narrowly — with only 50% voter turnout nationwide — on the campaign of […]
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Non-Proliferation
House committee adds NNSA nonproliferation language to 2025 budget bill
WASHINGTON — The first draft of the National Nuclear Security Administration’s 2025 budget passed the House Appropriations Committee Tuesday on a largely party line vote and one new directive about nuclear nonproliferation in Eastern Europe. The committee passed the bill 30-26, which if made law would provide some $25.5 billion to the National Nuclear Security […]
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Non-Proliferation
House committee adds NNSA nonproliferation language to 2025 budget bill
WASHINGTON — The first draft of the National Nuclear Security Administration’s 2025 budget passed the House Appropriations Committee Tuesday on a largely party line vote and one new directive about nuclear nonproliferation in Eastern Europe. The committee passed the bill 30-26, which if made law would provide some $25.5 billion to the National Nuclear Security […]
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International
Iran elects new president that campaigned to restart nuke talks with the U.S.
In Iran’s election run-off Friday, Iran’s citizens voted in a candidate that promised in his campaign to negotiate with the U.S. and Europe on nuclear activities again, media outlets reported. Masoud Pezeshkian, a lawmaker and heart surgeon, defeated conservative opponent Saeed Jalili narrowly — with only 50% voter turnout nationwide — on the campaign of […]



