Ars Technica

Small modular nuclear reactor reaches criticality in first test

Just over a year ago, the Trump Administration issued an executive order meant to accelerate the development of nuclear power in the US. While an entire startup ecosystem has developed around the use ...
Business Wire

Antares Achieves Initial Criticality of a Privately Developed Advanced Reactor Under DOE Pilot Program

IDAHO FALLS, Idaho--(BUSINESS WIRE)--Antares today announced that its Mark-0 microreactor achieved initial criticality at Idaho National Laboratory (INL) under U.S. Department of Energy (DOE) ...
Variety

Real-Time AI Video Startup Reactor, Founded by Ex-Apple Engineers, Raises $59 Million From Jeffrey Katzenberg’s WndrCo and Others (EXCLUSIVE)

Existing generative AI models are built on batch processing: You give the system instructions; it runs computations; then spits back the results. Now comes a Silicon Valley startup that says it can ...
Scientific American

Why NASA wants to build a nuclear reactor on the moon

NASA launched four astronauts on a pioneering journey around the moon—the Artemis II mission. Follow our coverage here. Nuclear power plants are safer than many suspect. But putting reactors in space ...
Engineering News-Record

TerraPower Begins Construction on First US Commercial-Scale Advanced Nuclear Reactor

Workers stand at the TerraPower Natrium plant site in Kemmerer, Wyo., where full construction has begun on the 345-MW advanced nuclear project following U.S. Nuclear Regulatory Commission permit ...
POWER Magazine

TerraPower’s Kemmerer 1 Enters Construction: Timeline of the Natrium Project’s Road to First Power

TerraPower’s Natrium reactor at Kemmerer, Wyoming, reached official construction start on April 23, 2026. Here’s a full timeline from ARDP selection to construction start. TerraPower on April 23, 2026 ...
world-nuclear-news

Kairos breaks ground for Hermes 2 reactor

The Hermes 2 Demonstration Plant in Oak Ridge, Tennessee, will be the company's first commercial-scale reactor and is the first power-producing Gen IV reactor to receive a construction permit from the ...
Wired

NASA Wants to Put Nuclear Reactors on the Moon

The White House has announced that NASA will work with the Departments of Defense and Energy to put nuclear reactors in orbit and on the surface of the moon. Having demonstrated that it has the ...
MIT Technology Review

NASA is building the first nuclear reactor-powered interplanetary spacecraft. How will it work?

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 ...
Futurism

NASA Announces Nuclear Mission to Mars by 2028

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. NASA’s ...
MIT Technology Review

What do new nuclear reactors mean for waste?

New designs mean new strategies for managing spent fuel. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you understand what’s coming next. You ...