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 ...

140 tonnes of plutonium is currently being stored at Sellafield, the nuclear site in Cumbria The government says it will dispose of its 140 tonnes of radioactive plutonium - currently stored at a ...

Research conducted by the Institute of Nuclear Physics of the Polish Academy of Sciences has detected radioactive plutonium on glaciers, report WP. This discovery could have significant ...

The UK government has announced that the country's stockpile of some 140 tonnes of civil plutonium - currently stored at the Sellafield site in Cumbria - will be immobilised and eventually disposed of ...