TechnologyUnderwater drones may make hiding a nuclear missile sub harder Will a rise in anti-submarine drones mean it's game over for Earth’s best hiding place for a nuclear deterrent as critics claim, wonders David HamblingComment
EarthNorth Korean blast could be a step towards a nuclear missile The state says it has tested a mini hydrogen bomb, although experts believe it was probably a tweaked, normal nuke. But that may mean a nuke that North Korea can deliver on a missile News