RPS Goes the Distance

New Horizons at 50 (AU)

On April 17, NASA's New Horizons reached a rare deep-space milepost -- 50 astronomical units from the Sun, or 50 times farther from the Sun than Earth is. The RTG-powered spacecraft is just the fifth spacecraft to reach this great distance. MORE ›

slide 2 - 3D view of Mars Perseverance rover

Interactive

Explore NASA's Perseverance Power Unit

Take a closer look at the MMRTG subsystem on NASA's Perseverance rover in our interactive 3D viewer. MORE ›

RTG POWER IN ACTION ON THE RED PLANET

NASA's Perseverance Rover Sends Stunning Panorama

The rover, powered by a Multi-Mission Radioisotope Thermoelectric Generator (MMRTG), sent home the first high-resolution view of its new home in Jezero Crater. MORE ›

Next Gen RTG RFP 'Blackout Period' in Effect

The Next Generation Radioisotope Thermoelectric Generator (Next Gen RTG) Request for Proposal (RFP) has been formally released and the “Blackout Period” is now in effect. All associated personnel should refrain from communications about the Next Gen RTG RFP with prospective offerors, potential subcontractors, and government team members. MORE ›

slide 5 - Astronauts at work on the Moon

NASA Supports America's National Strategy for Space Nuclear Power and Propulsion

The President has issued a new Space Policy Directive that will help propel NASA and humanity’s next giant leap – creating a sustainable presence on the Moon and sending astronauts to Mars. MORE ›

RPS Goes the Distance

New Horizons at 50 (AU)

Interactive

Explore NASA's Perseverance Power Unit

RTG POWER IN ACTION ON THE RED PLANET

NASA's Perseverance Rover Sends Stunning Panorama

Next Gen RTG RFP 'Blackout Period' in Effect

NASA Supports America's National Strategy for Space Nuclear Power and Propulsion

Voyager 1

Voyager 2

New Horizons: Mission Elapsed Time

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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

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