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 Australian Government has announced a $310 million payment for the acquisition of long‑lead items from the United Kingdom to support Australia’s future sovereign conventionally‑armed, nuclear‑powe ...

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 ...

As the United States accelerates its push for lunar dominance, nuclear power is emerging as the essential energy solution, ...

Delray Beach, FL, Oct. 20, 2025 (GLOBE NEWSWIRE) -- The space propulsion market was valued at USD 13.36 billion in 2025 and is projected to grow to USD 20.02 billion at a compound annual growth rate ...

Australia has taken a major step in delivering its future nuclear-powered submarine capability by paying Aus$310 million ($220 million) for the first British-built parts of nuclear reactors destined ...

Nuclear rockets are moving from Cold War concept to near-term hardware, and the shift could reshape how quickly and safely humans cross the solar system. By pairing compact reactors with efficient ...

I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as dated as steam trains. By turning to nuclear power in space, the agency is ...

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 ...

Naval Nuclear Propulsion Program (NNPP) has the following research output in the current window (1 December 2024 - 30 November 2025) of the Nature Index. Click on Count to view a list of articles ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Every year, companies and space agencies launch hundreds of rockets ...