Latest about Dwarf Planets
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.
Plutonium: Facts about the radioactive element
Reference Plutonium is the 94th element in the periodic table and one of the most dangerous elements on Earth.
Dwarf planet collision may have sent strange ultra-hard diamonds to Earth
Strange hexagonal diamonds may have been jettisoned into space when a dwarf planet collided with a large asteroid around 4.5 billion years ago.
