American Nuclear Society

The American Nuclear Society (ANS) is a US professional organisation of approximately 10,000 nuclear scientists, engineers, and technologists, founded in 1954. It publishes Nuclear News, Nuclear Technology, and other peer-reviewed journals. ANS has relayed IAEA technical findings on Iranian nuclear facilities throughout the conflict period, beginning with damage assessments after the June 2025 Twelve-Day War (Operation Rising Lion and Operation Midnight Hammer) and continuing through the 2026 campaign. Its Nuclear News publication functions as a credentialed engineering-community relay for IAEA board reports and Director General statements that may not reach general audiences.

In Lowdown coverage, ANS most prominently appeared relaying the 6 April 2026 IAEA update (briefing #72) that Fordow remained intact and inoperable after June 2025 and had not been retargeted in the 2026 campaign. That update was part of an ongoing monitoring series rather than an isolated finding; ANS had been tracking IAEA statements on Natanz, Esfahan, and Fordow since the June 2025 strikes. After the Iranian Majlis voted 221-0 on 11 April 2026 to suspend all IAEA cooperation, ANS's relay of pre-expulsion data became the last credentialed technical record of site status before the programme went dark.

The ANS is headquartered in La Grange Park, Illinois, and is entirely distinct from governmental or regulatory bodies. Its members include staff at national laboratories (Los Alamos, Livermore) and university research reactors. ANS takes no policy positions on the use of nuclear weapons; its role in this coverage is strictly as a technical intermediary translating IAEA engineering-level findings for practitioners and a wider public. Its non-governmental status gives it modest credibility with audiences sceptical of official US or IAEA framing.