Nuclear, Nuclear Weapon | featured news

Iran has yet to give an explanation over a small quantity of missing uranium metal from a research site, the U.N. nuclear watchdog said in a report that voiced concern over possible military links to Tehran's nuclear program.

Iran will present a new advance in its atomic program Wednesday by loading domestically made nuclear fuel into a research reactor in the capital Tehran, a senior Iranian official told a Russian news agency Tuesday.

A U.S. envoy will hold talks with North Korea on its nuclear program in Beijing next week, the first such negotiations since the death of the nation's longtime leader, Kim Jong Il.

Iranian President Mahmoud Ahmadinejad announced Saturday that the nation will reveal "several major achievements in the nuclear domain" within days, state media reported.

Saudia Arabia would move quickly to acquire nuclear weapons if Iran successfully tests an atomic bomb, according to a report. Citing an unidentified Saudi Arabian source, the Times newspaper in the U.K. (which operates behind a paywall) said that the kingdom would seek to buy ready-made warheads and also begin its own program to enrich weapons-grade uranium.

After two days of rare and intensive talks in Tehran, senior U.N. nuclear officials may have felt they were finally making headway towards getting Iran to address suspicions that it is bent on developing the ability to make atom bombs.

Panetta won't dispute a report that he believes Israel may attack Iran this spring in an attempt to set back Iran's nuclear program.

The last of the nation's most powerful nuclear bombs -- a weapon hundreds of times stronger than the bomb dropped on Hiroshima -- is being disassembled nearly half a century after it was put into service at the height of the Cold War.

North Korea said Monday it has agreed to hold more talks with the United States as Pyongyang renewed its commitment to resuming the long-stalled talks on ending its nuclear weapons programs.

The founder of Pakistan's nuclear weapons program claims that in the late 1990s North Korean officials paid kickbacks to senior Pakistani military figures in exchange for critical weapons technology.