US defence secretary says army copter was "on a routine, annual re-training of night flights on a standard corridor for a continuity of government mission".
Scientists and global leaders revealed on Tuesday that the "Doomsday Clock" has been reset to the closest humanity has ever come to self-annihilation. For the first time in three years ...
Seventy-eight years ago, scientists created a unique sort of timepiece — named the Doomsday Clock — as a symbolic attempt to gauge how close humanity is to destroying the world.On Tuesday ...