Experts warn any new Iran deal must ban plutonium reprocessing and expose covert pathways to nuclear weapons, citing risks ...

One portion of a gargantuan plan to modernize the entire U.S. nuclear arsenal, costing $1.5 trillion over the next twenty ...

The federal government will hold the second of five nationwide public hearings in Kansas City on Thursday, May 7. Local activists want to educate residents about the dangers of increased plutonium ...

LOS ALAMOS — A sphere of plutonium the size of a grapefruit contains enough energy to erase an entire city from existence. That single fact explains why nuclear weapons remain humanity’s most feared ...

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 ...

The Trinity bomb test left behind a unique form of matter, and now, scientists have discovered a new chemical structure ...

SPRINGFIELD — Federal investigators told a judge last week that they are continuing to assess what the customers who allegedly purchased small amounts of plutonium from a Hadley man did with the ...

Forgotten photos of the Trinity detonation show the immensity of the project ...