More common than gold, uranium is abundant on Earth. But less than one percent of the naturally occurring element is useful for nuclear power.

When Israeli aircraft recently struck a uranium-enrichment complex in the nation, Iran could have been days away from ...

Uranium is not made equal. To build a nuclear weapon, the material must be enriched – refined into a more potent form known ...

When an atom breaks apart, it gives out energy and more neutrons, which can then split other atoms. Get enough atoms splitting and you have the chain reaction needed for a bomb blast ...

When a neutron hits a U-235 atom, the atom splits, releasing a huge burst of energy. A typical nuclear weapon contains up to 90% U-235. Without this highly enriched form, ...

As each uranium atom breaks apart, it shoots out neutrons that can go on to split other atoms. But the neutrons are much more likely to trigger new fission events if they are slowed down.

The country has domestic sources of uranium. Its largest mine is at Saghand, in east-central Iran. But mined uranium is ...

The U-235, valued at $1 billion, will be split between private and public power groups (which will lease their share from the Government) and foreign developers (who will either buy or lease).

Birmingham, the atom bomb and the most influential Soviet spy in history. A eureka moment in a Birmingham basement led to the only use of nuclear weapons in armed conflict – and the death of ...