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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Aug 2026
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Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
The Nuclear Science User Facilities (NSUF) offers research opportunities for nuclear energy researchers via partner institutions. Users are provided access to nuclear research facilities, expertise from scientists and engineers, and assistance with experiment design, assembly, safety analysis and examination. Access is awarded through a competitive peer-reviewed process, and NSUF research supports Department of Energy-Office of Nuclear Energy missions.
https://nsuf.inl.gov