slide 1 - Image of rocks the rover has analyzed for sample collection

RPS-POWERED-EXPLORATION

In A Historic First, NASA's Perseverance Rover Collects Mars Rock Sample

The rocks it has analyzed for sample collection are helping the team better understand a past marked by volcanic activity and water. MORE ›

RTG-Powered Exploration

New Horizons at Pluto and Charon

Six years ago, NASA's New Horizons spacecraft made history with the first up-close exploration of the Pluto system. The team produced two new videos with breathtaking views. MORE ›

Anniversary

After 60 Years, Nuclear Power for Spaceflight is Still Tried and True

Six decades after the launch of the first nuclear-powered space mission, Transit IV-A, NASA is embarking on a bold future of human exploration and scientific discovery. MORE ›

Anniversary

Proud Past, Strong Future: RPS at 60

RTG-powered spacecraft have explored every planet in our solar system from Venus outward—including the weather systems of Earth—as well as the polar regions of the Sun. MORE ›

RTG-Powered Exploration

As NASA's Voyager 1 Surveys Interstellar Space, Its Density Measurements Are Making Waves

With four decades and counting of RTG-provided electrical power, Voyager 1 continues to study the sparse collection of atoms that fills interstellar space. The hardy explorer has recently measured a long-lasting series of waves where it previously only detected sporadic bursts. MORE ›

RPS-POWERED-EXPLORATION

In A Historic First, NASA's Perseverance Rover Collects Mars Rock Sample

RTG-Powered Exploration

New Horizons at Pluto and Charon

Anniversary

After 60 Years, Nuclear Power for Spaceflight is Still Tried and True

Anniversary

Proud Past, Strong Future: RPS at 60

RTG-Powered Exploration

As NASA's Voyager 1 Surveys Interstellar Space, Its Density Measurements Are Making Waves

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