ANNIVERSARY

Voyager, NASA's Longest-Lived Mission, Logs 45 Years in Space

Launched in 1977, the twin Voyager probes are NASA’s longest-operating mission and the only spacecraft ever to explore interstellar space. Read More ›

slide 2 - NASA engineer looks through the Microsoft HoloLens to see the spacecrafts the students designed.

NASA Uses Technology to Give Students an Out-of-this-World Experience

Silicon-Germanium Unicouple Paper Wins Best Radioisotope Power Paper Award

NASA’s Radioisotope Power Systems Program’s sponsored a multidisciplinary team of scientists and engineers at Johns Hopkins Applied Physics Laboratory (APL) that won the American Nuclear Society’s 2022 Best Radioisotope Power Paper award Read More ›

slide 4 - Martian landscape with rolling hills

Anniversary

10 Years Since Landing, NASA's Curiosity Mars Rover Still Has Drive

Powered by a Multi-Mission Radioisotope Thermoelectric Generator, Curiosity has driven nearly 18 miles (29 kilometers) as it explores Gale Crater. Curiosity’s mission was recently extended for another three years. Read More ›

Plutonium to Pluto

New Horizons - 7 years since Pluto encounter

It has been seven years since the New Horizons spacecraft flew by Pluto. Much of what we know about this dwarf planet was discovered by this RPS-powered spacecraft. MORE ›

ANNIVERSARY

Voyager, NASA's Longest-Lived Mission, Logs 45 Years in Space

NASA Uses Technology to Give Students an Out-of-this-World Experience

Silicon-Germanium Unicouple Paper Wins Best Radioisotope Power Paper Award

Anniversary

10 Years Since Landing, NASA's Curiosity Mars Rover Still Has Drive

Plutonium to Pluto

New Horizons - 7 years since Pluto encounter

Voyager 1

Voyager 2

New Horizons: Mission Elapsed Time

News and Features

Why RPS?

Power and Thermal Systems

Technology

Missions

Why RPS?

For more than five decades, radioisotope power systems have played a critical role in the exploration of space, enabling missions of scientific discovery to destinations across the solar system. › More

Power and Thermal Systems

Technology

Missions

MMRTG Mission Planner Data Package

More Galleries

Images

Missions

Videos