The US carried out the Starfish Prime test by detonating a 1.4-megaton thermonuclear bomb about 400 kilometres above Earth.
NASA visualization showing a cross-section of Earth's Van Allen radiation belts. (NASA/Goddard Space Flight Center Scientific ...
A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...
The Outer Space Treaty bans nuclear weapons in orbit—but we currently have no way to verify that satellites aren't carrying ...
There is a long-standing international treaty in place but we can't be the only ones side-eyeing world's current crop of ...
Add Yahoo as a preferred source to see more of our stories on Google. Gen. Stephen Whiting, the commander of U.S. Space Command, recently made waves when he publicly discussed a major threat that ...
On August 6, 1945, the US bomber Enola Gay dropped the first atomic bomb ever used in military combat on the Japanese city of ...
Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.