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 ...

Nuclear sources provide heat and electricity independently of these conditions, giving mission planners a dependable option ...

In 1977, two spacecraft, Voyager 1 and Voyager 2, launched toward the unknown. Nearly fifty years later, they remain alive at the edge of interstellar space, still whispering faint signals back to ...

Using low-bandgap III-V materials such as InAsSb in nanostructured arrays to limit potential loss mechanisms, a 25x improvement in mass specific power and ten thousands times decrease in volume from a ...

One year ago, Caltech's Space Solar Power Demonstrator (SSPD-1) launched into space to demonstrate and test three technological innovations that are among those necessary to make space solar power a ...

There has been only one mission of the Artemis program to date, an uncrewed test flight of the Orion spacecraft that was conducted back in 2022. Judging this solely from this perspective, you could be ...

Add Yahoo as a preferred source to see more of our stories on Google. A landmark test of beaming solar power to Earth from a satellite has concluded successfully after a year-long mission. The Space ...