Democratic U.S. lawmakers on Wednesday urged President Donald Trump to cancel a plan to make surplus plutonium from Cold ...

Spacecraft have used a plutonium isotope to stay afloat for decades, but another isotope could last even longer.

The Trump administration plans to make available about 20 metric tons of Cold War-era plutonium from dismantled nuclear ...

The Trump administration plans to supply the nuclear power industry with plutonium from decommissioned warheads dating back ...

More than £150m will be spent by the government to investigate how best to dispose of the 140 tonnes of radioactive plutonium it currently stores at a nuclear plant. Sellafield in Cumbria holds the ...

The UK is funding a £154m programme to develop plutonium immobilisation at Sellafield, advancing permanent disposal plans for ...

There have been plenty of books and movies about how the Manhattan Project brought together scientists and engineers to ...

A team of scientists has discovered a new, stable form of plutonium – and done so by accident. The famously unstable element is tricky to transport, store and dispose of, but the find could lead to ...

WASHINGTON — Ever since 2013, when NASA shelved development of a new plutonium battery four times more efficient than those used today, the agency has been forced to come up with creative solutions ...

I’m as happy as anyone that the Curiosity rover got to Mars; it’s hard not to root for all those NASA geeks in their blue polo shirts. But before you get all American and apple pie about the ...

It appears that the U.S.'s plutonium-238 shortage is coming an end. The radioisotope is crucial for fueling long-term deep space missions, but as of 2017, a shortage was on the horizon. But ...

Among the Biden administration’s nuclear challenges are ongoing civilian plutonium programs in China and Japan. Also, South Korea’s nuclear-energy research and development establishment has been ...