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 ...

NASA’s announcement Tuesday that it will “pause” work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump ...

The microreactor from Antares, a private nuclear technology company, had a successful nuclear fission reaction for the first ...

In a test at the Idaho National Lab last week, workers were able to turn the reactor on and safely control a nuclear fission ...

The White House issued a directive on April 14 ordering NASA, the Pentagon, and the Department of Energy to develop a nuclear fission reactor capable of orbiting the moon, with a launch-ready target ...

With NASA’s Artemis II—the first crewed lunar flyby in more than 50 years—successfully completed, attention is now turning to what’s next: establishing an enduring presence on the moon. Through a ...

NASA has outlined a mission called Space Reactor-1 Freedom, targeted for launch before the end of 2028, as a demonstration of ...

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 ...

That is the vision laid out across two executive orders signed by President Donald Trump, the first in December 2025 and a predecessor focused on national security applications from May 2025. Together ...

A memo released by the Trump administration on Tuesday detailed a goal of having a nuclear reactor on the moon’s surface by 2030, a move that furthers the United States’ quest for supremacy in space ...

The microreactor from Antares, a private nuclear technology company, had a successful nuclear fission reaction for the first ...