Nuclear power plants are safer than many suspect. But putting reactors in space is a concept with a checkered history. One ...

If everything goes according to plan, a compact nuclear reactor will hum to life on the lunar surface before the end of this decade, generating enough electricity to sustain a small neighborhood back ...

While the Artemis II mission captured the public's imagination and revitalized interest in space exploration, it's only the first step. The ultimate goal of the Artemis program is to establish a ...

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 ...

Administrator Jared Isaacman unveiled a $30 billion, 11-year, 79-launch architecture targeting a nuclear-powered permanent ...

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 ...

According to the US Department of Energy, nuclear thermal propulsion can reduce travel times to Mars by up to 25% and, more importantly, limit a crew’s exposure to cosmic radiation. It would also ...

For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few steps away from reality. Now NASA says that changes in 2028. The agency plans ...