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A nuclear thermal propulsion engine could cut the travel time in half for future space explorers racing to the Red Planet.

NASA studied "nuclear thermal propulsion systems" during the Cold War, but shelved the idea because it wasn't necessary. Nuclear-powered spacecraft could send humans to Mars faster and allow them to ...

The heat engine works as its intrinsic spin converts heat absorbed from laser beams into oscillations of a trapped ion. Credit: John Goold, Trinity College Dublin A new heat engine made from a ...

NASA is partnering with the Defense Advanced Research Projects Agency, or DARPA, to use a nuclear thermal rocket engine in space, according to reports. In a press release on Tuesday, NASA said the ...

On a battlefield saturated with buzzing quadcopters and roaring loitering munitions, a new aircraft is trying to disappear ...

The model Stirling engine is a staple of novelty catalogues, and we daresay that were it not for their high price there might be more than one Hackaday reader or writer who might own one. All is not ...

A nuclear thermal rocket engine in development could one day transport humans to Mars. The Defense Advanced Research Projects Agency, a research arm of the US Department of Defense, and NASA are ...