TOKYO (AP) – Last year’s tsunami disaster in Japan clouded the nation’s nuclear future, idled its reactors and rendered its huge stockpile of plutonium useless for now. So, the industry’s plan to ...

WASHINGTON (Reuters) -The Trump administration plans to make available about 20 metric tons of Cold War-era plutonium from dismantled nuclear warheads to U.S. power companies as a potential fuel for ...

North Korea appears to be making new nuclear bomb fuel, satellite imagery shows, even as its leader, Kim Jong Un, has expressed willingness to negotiate atomic disarmament with President Donald Trump.

The United States is relying on an aging nuclear arsenal for its protection. In the face of growing Russian and Chinese military power, the ongoing modernization is too slow. To modernize the U.S.

WASHINGTON (Reuters) -Democratic U.S. lawmakers on Wednesday urged President Donald Trump to cancel a plan to make surplus plutonium from Cold War-era atomic bombs available as a fuel for nuclear ...

Fifteen years ago, the United States stopped making plutonium-238, one of the most toxic substances known to man. It can be fatal to inhale so much as a speck of the radioactive isotope. But now, ...

“Uranium 235 and plutonium can be denatured; such denatured materials do not readily lend themselves to the making of atomic explosives, but. . . can be used for the peaceful applications of atomic ...

SEOUL (Reuters) - North Korea appears ready to abandon the source of its weapons-grade plutonium but there is a still a long way to go before Pyongyang scraps its entire nuclear arms program, a top ...