July 16, 1945, marked a turning point in history with the first nuclear test, named Trinity, in the New Mexico desert in the ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Plutonium is also the main fissile material in nuclear weapons, but it was revealed that ordinary people could purchase plutonium on a US website. In August 2023, an Australian man named Emmanuel ...

Plutonium 'pits' and Small Modular Reactors are all part of Energy Secretary Chris Wright's early goals for his department.

It can enrich its vast amount of processed uranium to weapon-grade level and set its heavy-water nuclear reactor for plutonium production. The nuclear agreement, if kept, delays this breakout for ...

It either must be enriched—made more concentrated in a rare form of uranium (U-235)—or converted into plutonium (Pu-239). Heavy water can play a role in breeding weapons-grade plutonium from ...

The TBP solution captured the plutonium and uranium while the nitric acid/water solution ... with additional clean-up steps to purify and separate Pu-239 (for use in weapons) from the uranium (for ...

The International Atomic Energy Agency (IAEA) said Iran is taking steps to accelerate its near weapons-grade uranium in a broader effort to expand its capability for nuclear warfare, according to ...