The US carried out the Starfish Prime test by detonating a 1.4-megaton thermonuclear bomb about 400 kilometres above Earth.
A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...
NASA visualization showing a cross-section of Earth's Van Allen radiation belts. (NASA/Goddard Space Flight Center Scientific ...
Chinese scientists may have just found a way to save the world from a future Armageddon after calculating exactly how to ...
Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.