Add Yahoo as a preferred source to see more of our stories on Google. Voyager 1, shown in this illustration, has operated for decades thanks to a radioisotope power system. NASA via AP Powering ...

Radioisotope thermoelectric generators (RTGs) are the power plants of the interplanetary spacecraft. Or at least they have been for going on 50 years now. But they have significant drawbacks, the ...

Launched in 1977, the Voyager 1 and 2 space probes have been operating non-stop for over 45 years, making their way from Earth to our solar system’s outer planets and beyond. Courtesy of the ...

Someone has to dream big and take that bold step to reach for the ...

Artist's concept of NASA's Perseverance Rover. Perseverance's power source, a Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) provided by Aerojet Rocketdyne, is visible at the aft end of ...

VALLEY FORGE, Pa., 20 Jan. 2006. A Radioisotope Thermoelectric Generator (RTG), built by Lockheed Martin at its Space Systems Company facility in Valley Forge, then fueled by the U.S. Department of ...

A Radioisotope Thermoelectric Generator (RTG), built by Lockheed Martin at its Space Systems Company facility in Valley Forge, then fueled by the U.S. Department of Energy (DOE), is providing electric ...

Power is essential to every space mission. In this NASA Innovative Advanced Concepts Phase II project we will continue to refine and demonstrate the feasibility of a revolutionary power source for ...

Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth. Spacecraft near the Earth use large solar panels to harness the sun for the ...

Powering spacecraft with solar energy may not seem like a challenge, given how intense the Sun’s light can feel on Earth. Spacecraft near the Earth use large solar panels to harness the Sun for the ...