The United States flew a reactor in space in the 1960s and has studied nuclear thermal propulsion for decades. Fuel is not the primary limitation either; the enriched uranium supply chain is ...

The Departments of Energy and Defense partnered with Valar Atomics to transport a mini reactor from California to Utah. Read more.

Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially ...

U.S. Space Nuclear Plans Are Rescued After 2025 Setback is available to both Aviation Week & Space Technology and AWIN subscribers. Subscribe now to read this content, plus receive critical analysis ...

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It has long become obvious that if we are to expand our reach into the solar system, the current means of propulsion for spaceships would simply not do. With such goals set for the near future, the ...

Artist’s impression of a spacecraft using Nuclear Thermal Propulsion (NTP) technology (Credit: General Atomics) Engineers at NASA’s Marshall Space Flight Center (MSFC) in Alabama have completed the ...

Nuclear propulsion and power technologies could unlock new frontiers in missions to the moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit ...

L3Harris Technologies is selling a 60% stake in its space propulsion business to AE Industrial Partners for $845 million. The divested unit, which includes the RL10 engine program, will be rebranded ...

Add Yahoo as a preferred source to see more of our stories on Google. In a budget proposal from May 2025, the White House suggested a mere $18.8 billion in funding for NASA. This would have led to the ...

PHOENIX — House and Senate appropriators have released the text of a final appropriations bill for fiscal 2026 that largely rejects the steep cuts the Trump administration proposed for NASA. The ...

Private equity firm AE Industrial Partners will buy a majority stake in the RL-10 upper-stage rocket and space nuclear propulsion businesses from L3Harris Technologies for $507 million, according to ...