"In pointed language, federal regulators rebuffed a request Tuesday from the operator of California’s last nuclear power plant that could have smoothed its pathway to securing a longer operating life for its twin reactors."

"With Russia’s invasion of Ukraine and the specter of nuclear weapon use, Earth crept its closest to Armageddon, a science-oriented advocacy group said, moving its famous “Doomsday Clock” up to just 90 seconds before midnight."

"The U.S. Nuclear Regulatory Commission has certified the design for what will be the United States’ first small modular nuclear reactor."

"The controversial release of more than a million tonnes of water from the wrecked Fukushima Daiichi nuclear plant will begin in the northern spring or summer, Japan’s government has said – a move that has sparked anger among local fishing communities and countries in the region."

"Japan adopted a plan on Thursday to extend the lifespan of nuclear reactors, replace the old and even build new ones, a major shift in a country scarred by the Fukushima disaster that once planned to phase out atomic power."

"[New Mexico] officials on Tuesday released a draft permit that includes tougher provisions for the U.S. government to meet if it wants to continue dumping radioactive waste from decades of nuclear research and bomb-making in the New Mexico desert."

"Energy Secretary Jennifer Granholm was set to announce a “major scientific breakthrough” Tuesday in the decades-long quest to harness fusion, the energy that powers the sun and stars."

"Scientists hit a key milestone in the quest to create abundant zero-carbon power through nuclear fusion. But they still have a long way to go."

"California’s last nuclear power plant received a $1.1 billion federal grant on Monday as the state seeks to extend the plant’s operations — currently set to end in 2025 — to meet electricity demand at a time of intensifying climate events."

"The United States, Britain and France rejected as “transparently false” claims by Moscow’s defense minister that Ukraine is preparing to use a “dirty bomb” — explosive weapons designed to widely disperse radioactive material — on its own territory with Western help, characterizing the claims as an attempt by Moscow to create a pretext for escalating the conflict."