ARIS, France (CNN -- An Air France passenger aircraft carrying 228 people has disappeared off the coast of Brazil, officials say. The incide...

Gates: Nuclear-armed N. Korea unacceptable : "The United States will not accept North Korea as a nuclear-armed state, Defense Secretary...

Obama: N. Korean nuclear test 'a grave threat' : "President Obama castigated the North Korean government Monday for conducting ...

North Korea's 2nd nuke test stirs outrage : "North Korea delivered on its threat today, conducting a second nuclear test that anger...

New miniature camera technology may be about to give the US military's insect-sized surveillance drones a new way of seeing the world th...