Plutonium is one of the most complex elements in the periodic table. First synthesized and isolated in 1940 by scientists at the University of California, Berkeley, plutonium has been studied closely ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The detonation of the atomic bomb nicknamed "Smokey," as ...

WASHINGTON, June 15 (Reuters) - (This June 15 story has been corrected to say that Piefer said once plutonium generates power it can no longer be used to make bombs, not that it is no longer dangerous ...

The anniversary-edition console includes an Xbox button that lights up green and a translucent green controller. The anniversary-edition console includes an Xbox button that lights up green and a ...

A Democratic senator is raising concerns that the Trump administration’s plans to let several private energy companies access weapons-grade plutonium could set a new and dangerous precedent globally.

Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S. The Trump administration’s plan to offer plutonium from dismantled Cold War–era ...

For years, the U.S. Energy Department has been trying to decide what to do with literally tons of surplus plutonium from dismantled nuclear weapons. Now, the Trump administration is pushing a plan ...

The Energy Department may allow up to five companies to use its surplus plutonium, which has historically been used in nuclear warheads, as fuel. The department has selected the firms for “advanced ...

The Department of Energy is in late talks about plans to provide weapons grade plutonium from dismantled Cold War-era nuclear warheads to possibly five nuclear energy startups, the department said in ...

For years, the federal government has been working on turning old, unexploded warheads left over from the Cold War into a fuel for next-generation nuclear power plants. Now, a significant new deal in ...

Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan has also faced criticism from nonproliferation experts. By Brad Plumer ...

WASHINGTON, May 26 (Reuters) - The U.S. said on Tuesday it had chosen five companies, including Oklo (OKLO.N), opens new tab, to enter advanced talks over potentially using its Cold War-era plutonium ...