Emergency declared at Hanford nuclear site in Washington state An emergency was declared Tuesday morning at the Hanford nuclear site in Washington state after a tunnel was breached, according to Hanford government officials.

Explosion at Nuclear Plant in France An explosion in the engine room at a nuclear plant on France's northern coast sparked a fire that injured at least five people, officials said.

Milestones in North Korea's nuclear and missile programs North Korea's nuclear program dates back to the 1950s. Since that time, it has also ramped up its rocket technology.