Radioisotope Power Systems (RPS)

NASA's Curiosity rover on Mars and other NASA spacecraft that explore some of the most distant, darkest and dustiest places…

The rover carries several swatches of spacesuit materials, and scientists are assessing how they’ve held up after four years on…


The annual NASA writing challenge invites K-12th grade students in the United States to learn about Radioisotope Power Systems and…

Animation of the components of a radioisotope heater unit (RHU) component.

Space nuclear power to explore the deepest, dustiest, darkest, and most distant regions of our solar system and beyond.

NASA has selected the 45 semifinalists of the Power to Explore Challenge, a national competition for K-12 students featuring the…

General Purpose Heat Source module, or GPHS is the essential building block for the radioisotope generators used by some NASA…

Radioisotope heater units (RHUs) help bring dependable heat to spacecraft. One RHU generates about one watt of heat energy from…