Nuclear fission reactors struggle with two key problems: poor fuel utilization and complicated radioactive waste handling. To ...

Beginning in the late 1950s, the U.S. met this challenge by developing nuclear batteries known as radioisotope thermoelectric generators (RTGs) and producing plutonium-238 (Pu-238) as their fuel, ...

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

No human-made objects have traveled further into the final frontier than Voyager 1 and Voyager 2, but both probes are ...

Russia's A.I. Leypunsky Institute of Physics and Power Engineering has begun tests to study the neutron-physical characteristics of the VVER-S reactor with MOX fuel. ; ...

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 ...

The US Department of Justice (DOJ) announced in January that a Japanese national had pleaded guilty to the attempted trafficking of nuclear materials, including uranium, thorium and plutonium, from ...

The immobilization process will include transforming plutonium into a form similar to ceramic or stone. Experts call it a "positive step." We recently reported on the plans of Sweden, which has ...

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 ...

Boulder County is considering whether to continue supporting a project that would create a new trail connection on land known ...

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A groundbreaking technology in the UK has opened the door to transforming radioactive waste into usable energy.