NASA has completed over 100 cold-flow tests of a full-scale nuclear rocket reactor prototype, demonstrating stable hydrogen ...

Mars has always felt like a distant neighbor, reachable only after a long, risky cruise through deep space. Now engineers inside NASA are sketching a very different future, one where a nuclear powered ...

This study will identify primary technical and programmatic challenges, merits, and risks for developing and demonstrating space nuclear propulsion technologies of interest to future exploration ...

Long before anyone talked seriously about crewed Mars landings, NASA was already sketching nuclear propulsion concepts that could change everything. In this episode, we trace how nuclear thermal and ...

It turns out that Seattle-based nuclear technology maker Ultra Safe Nuclear Technologies (USNC) has delivered a new concept design for a nuclear thermal propulsion engine to NASA. Ultra Safe Nuclear ...

The Japanese defense minister said on Nov. 6 that Japan must consider adding nuclear-powered submarines to its fleet, a sentiment spurred by U.S. President Donald Trump’s recent approval for South ...

If Tokyo acquires nuclear-powered subs, it would be a significant strategic shift for the only nation to have suffered atomic bombings. In this May 31, 2025 file photo, Japan’s then-Defense Minister ...

“If we fail to cooperate — we may not be there, and perhaps not even here.” With these words I ended my previous article on NASA’s plan to develop nuclear propulsion for spacecraft, rockets, and ...

Among the celestial bodies that orbit the Sun, those that are farther away than Neptune are called trans-Neptunian objects. A typical example of a trans-Neptunian object is Pluto, which was considered ...

MONTREAL, Dec. 5, 2025 /CNW/ - AtkinsRéalis Group Inc. (TSX: ATRL), a world-class engineering services and nuclear company with offices around the world, has been appointed to deliver nuclear ...