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North Koreans have made nuclear progress, experts say

The U.S. intelligence community believes that North Korea tested a nuclear device last month with an explosive yield of several kilotons, considerably more powerful than its first test nearly three years ago.

Photo reportedly shows N. Korean rocket in flight

A new satellite image shows North Korea's rocket in flight soon after its launch a few days ago, experts said.

Iran ready to build nuclear weapon, analysts say

Iranian scientists have reached "nuclear weapons breakout capability," according to a new report based on findings of the U.N. nuclear watchdog agency.

U.N. report: Uranium traces found at site in Syria

The U.N. nuclear agency said it found traces of uranium from samples retrieved at a Syrian site suspected to be the location of a nuclear site, according to a report posted Thursday on the Institute for Science and International Security Web site.

Time.com: Diplomats: Iran Making Centrifuges

Iran has assembled hundreds of advanced machines reflecting a possible intention to speed up uranium enrichment, diplomats have told The Associated Press

Iran 'reaches nuclear target'

Iran has reached its long-sought goal of running 3,000 centrifuges to enrich uranium for its nuclear program, Iranian President Mahmoud Ahmadinejad announced Sunday in a report on state media.

Spooky business: CIA probing Iran's nuclear intent

What exactly are Iran's nuclear scientists up to?

U.S.: No nuke work at Iran plant

U.S. officials have told CNN there is "no evidence" any nuclear work has been done at an Iranian military complex near Tehran, although high explosives testing has been done there for many years.

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