Latest about Dwarf planets
Mars Mission May Be Curtain Call for Plutonium-Powered Spacecraft
With a worldwide shortage of plutonium-238, future planetary science missions are in jeopardy.
Full-Scale Production of Plutonium Spacecraft Fuel Still Years Away
The United States has begun manufacturing nuclear spacecraft fuel for the first time in a generation, but full production of the stuff likely won't begin until 2023 at the earliest.
NASA Must Pay for Plutonium Production to Fuel Deep-Space Probes
NASA had been splitting costs with the U.S. Deparment of Energy.
Plutonium Shortage May Thwart Future NASA Missions to Outer Planets
NASA is facing a plutonium shortage that may thwart future missions.
US Makes First Plutonium in 25 Years, for Spacecraft
The Department of Energy has made its first plutonium-238 in a quarter century.
Rare plutonium from space found in deep-sea crust
A rare type of plutonium has been found in the crust below the deep sea, offering new clues as to how heavy metals form in star explosions and mergers.
MORE FROM SPACE...
