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As we reported Monday, spent fuel rods at Fukushima Daiichi pose a risk of fire and radiation release should water drain from the pools they are stored in. Read more»

A radio tower in Seoul, South Korea.

Analysis: Could the secret to bringing down Pyongyang be as simple as spinning the radio dial? Read more»

Mohamed ElBaradei (left) meets with President Obama before the Security Council Summit on nuclear non-proliferation and disarmament in September.

Mohamed ElBaradei, former head of the United Nations nuclear watchdog agency, believes it is likely the international community will move to impose tougher sanctions on Iran, but is just as convinced that sanctions will fail. Read more»