With its relatively long half-life of 432 years and more accessible production routes, americium-241 presents a compelling ...

To explore the unknown in deep space, millions of miles away from Earth, it’s crucial for spacecraft to have ample power.

Scientists have observed a brand-new and exotic atomic nucleus: aluminium-20. Unlike anything seen before, it decays through ...

NASA Glenn Research Center's Thermal Energy Conversion Branch team and the University of Leicester's Space Nuclear Power team pose for a photo at the ...

Radioactive decay is a fundamental process in nature by which an unstable atomic nucleus loses energy by radiation. Studying ...