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 ...

There are several ways to build a nuclear weapon. This videographic shows the process used to make a bomb with enriched uranium, utilising nuclear fission. This method could be considered by Iran, ...

The general rule with nuclear countries is that they are rational, namely that they realize that their use of nuclear weapons of any kind may escalate into mutually-assured destruction. But what ...

India’s nuclear journey traced from Einstein to SHANTI Act 2025, exploring power, policy shifts, privatization, risks, and ...

Recent satellite imagery analyzed by the Center for Strategic and International Studies (CSIS) suggests renewed activity at Iranian nuclear sites, raising concerns about Tehran’s nuclear ambitions ...

Satellite images reveal activity at two Iranian nuclear sites, suggesting that Tehran may be obscuring its efforts to salvage ...

THE FIRST NUCLEAR reactor on earth went critical 2 billion years ago in western Africa when groundwater seeped into a rich vein of uranium ore. It controlled itself elegantly, its water moderator ...

UNITED NATIONS (AP) — The head of the U.N. nuclear watchdog told The Associated Press on Wednesday that Iran does not appear to be actively enriching uranium but that the agency has recently detected ...

A three-year-old startup enriches uranium using lasers instead of centrifuges. The US is working fast to once again enrich uranium domestically.

In the 1940s, the Soviet Union launched an all-out espionage effort to uncover military and defense secrets from the US and Britain (Klaus Fuchs, left, and David Greenglass, right). Associated Press, ...

A quarter century ago, German political scientist Harald Müller observed that “the very basic question of whether … Germany should rethink its renunciation of nuclear weapons has a very odd ...