San Francisco officials say they weren’t told that the Navy detected plutonium at the Hunters Point Shipyard for 11 months.

The leak is by a children's playground and is claimed to have been discovered by the US Navy almost an entire year before it was announced.

The San Francisco Health Department is sounding the alarm over high levels of radioactive "plutonium 239" detected in the air ...

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear ...

The Trump Administration is proposing to make 20 metric tons of plutonium from dismantled nuclear warheads available to U.S. power firms for use in advanced nuclear reactors. This plan follows an ...

Russia formally ends a landmark plutonium disposal pact with the United States while showcasing a nuclear-powered missile ...

The US has offered energy companies access to nuclear waste that they can convert into fuel for advanced reactors in an attempt to break Russia’s stranglehold over uranium supply chains.

The Financial Times reports that the Department of Energy has invited companies to apply for up to 19 metric tons of weapons-grade plutonium previously used in ...

Russian President Vladimir Putin has done something that is sure to shock US President Donald Trump. What is the whole matter ...