This, as he found out, isn’t something you should do lightly, as the one he used ended up containing an interesting mix of radioactive materials, including small amounts of plutonium-239 ...

A wildlife corridor plans to connect two Superfund sites at the former Rocky Flats plutonium plant and the Rocky Mountain ...

Curio's soup-to-nuts business model- nuclear waste reprocessing, isotope sales, waste disposition, and new reactor design-may ...

Most of these varieties are fissile - meaning their atomic nuclei can easily be split. Plutonium-239 is the isotope typically ...

At the same time, uranium-233, the primary fission material produced from thorium, is harder to use for weapons purposes than uranium-235 or plutonium-239. This means there is less of a risk its ...

Molten Salt Reactors (MSRs) are nuclear fission reactors in which either the fuel and/or the coolant is a molten salt. Molten salt is salt which liquifies at elevated temperatures and can store ...