Atomic Energy’s death spiral has spawned a run to green power. But the toxic mineral lithium has become a critical ...

Between 2000 and 2019, the National Nuclear Security Administration reported the disposal or interception of almost 16,000 pounds of that material and plutonium—enough, according to NNSA ...

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 ...

successfully blocking funding during the Trump Administration and negotiating the removal of secretly shipped weapons-grade plutonium from Nevada.

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, ...

It was closed in the 1990s but left behind radioactive material like plutonium and uranium. Experts have said that’s been ...

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 ...

In September, the city council of Westminster, Colorado voted not to fund a pedestrian bridge and underpass at the Rocky Flats site due to concerns about residual soil contamination from plutonium and ...

Japan’s plutonium stockpiles in Britain and France totaled 21.8 tons and 15.4 tons, respectively, as of December 2020. Britain shut down its only M OX plant in 2011, which means it can no longer ...