When Israeli aircraft recently struck a uranium-enrichment complex in the nation, Iran could have been days away from achieving “breakout,” the ability to quickly turn “yellowcake” uranium into ...

Uranium-235 is an isotope of uranium, which is a version of an element that has the same basic identity but weighs a little more or less. Think about apples from the same tree. Some are big and some ...

This radioactive metal is unique in that one of its isotopes, uranium-235, is the only naturally occurring isotope capable of sustaining a nuclear fission reaction.

With concerns rising over Iran's reported 400 kilograms of uranium, experts analyze how much nuclear weapon-grade material this quantity represents and its potential to build 7 to 14 atomic bombs.

Uranium enrichment is a critical process that increases the concentration of Uranium-235, essential for both nuclear power generation and nuclear weapons. Various methods exist for enriching ...

What is uranium, exactly? And what do you need to know about it beyond the red-hot headlines? Here we answer your most pressing nuclear questions.

There are other uses of uranium apart from nuclear weapons as discussed in this article. Uranium is a silver-grey metal that is radioactive. The most common types are uranium 235 and uranium 238. The ...

What Is Depleted Uranium? Uranium is a naturally occurring element that has radioactive properties. All uranium isotopes are radioactive, but one particular isotope called Uranium-235 (U-235) is ...

When arms control experts talk about uranium enrichment, they're referring to the percentage level of U-235.

Iran enriched uranium to 4.5%, breaking the limit of 3.67% set during the 2015 nuclear deal. Here's what that all means for the possibility of an Iranian bomb.