Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

The four-star general who oversees every American military satellite just identified what he considers the gravest danger to all of them: a Russian nuclear weapon circling the Earth. Gen. Stephen ...

US officials have said a nuclear detonation would render portions of low-Earth orbit useless for up to a year.

"While mass drivers can bootstrap an off-world economy, they carry an equally potent and unsettling military capability: the ability to operate as an unassailable, undetectable first-strike platform." ...

New satellite images reveal China building 80+ launch pads near nuclear silos. Analysts say it is a major upgrade to their ...