By recreating a nuclear fireball, scientists uncovered unexpected chemistry that could change how radioactive fallout is understood.

Advanced nuclear reactor company X-energy began trading Friday as the AI boom and electrification broadly spark a flurry of interest in the nuclear industry. The stock opened at $30.11, after upsizing ...

The agency wants to fly it to Mars by the end of 2028. Experts say that’s … ambitious. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...

Aalo Atomics has held a ceremony to unveil its completed Critical Test Reactor at the Idaho National Laboratory. The company said it expects the reactor to achieve criticality "well before" the 4 July ...

The Nuclear Regulatory Commission (NRC) gave TerraPower the go-ahead this week to build a new nuclear reactor in the shadow of an aging coal power plant in Wyoming. TerraPower’s permit is the first to ...

HILL AIR FORCE BASE, Utah (AP) — The Pentagon and the Energy Department for the first time airlifted a small nuclear reactor from California to Utah, demonstrating what they say is the U.S. potential ...

HILL AIR FORCE BASE, Utah — The Pentagon and the Energy Department for the first time airlifted a small nuclear reactor from California to Utah, demonstrating what they say is U.S. potential to ...

HILL AIR FORCE BASE, Utah—The U.S. military airlifted a modern nuclear reactor on Sunday for the first time, part of President Trump’s push to deploy nuclear power across the United States. Three C-17 ...

The Department of War on Sunday transported a next-generation nuclear reactor aboard a C-17 from California to Utah, advancing President Donald Trump’s executive order to modernize America’s nuclear ...

WASHINGTON — NASA and the Department of Energy have agreed to work together on development of nuclear reactors for the moon as industry awaits the release of a final call for proposals. NASA and DOE ...

TOKYO — Tokyo Electric Power on Wednesday restarted a reactor at the Kashiwazaki-Kariwa nuclear power plant after inspections were completed, its first such move since the Fukushima disaster in 2011.