In 1962, a single nuclear warhead detonated above the Pacific knocked out satellites, blacked out cities, and created an ...
US officials have said a nuclear detonation would render portions of low-Earth orbit useless for up to a year.
According to national security experts, the most conceivable major threat facing the United States is the possibility that al Qaeda-linked terrorists would get hold of a nuclear bomb and detonate it ...
Evidence that Russia is racing to perfect a nuclear-armed spacecraft to target Western satellites is sparking the U.S. and its Allies to strengthen their space defenses.