Space.com What to Do With Nukes? Blow Up Dangerous Comets, of Course 27 January 2017 fborgosano Leave a comment Share: Should a comet be detected on a collision course with Earth, we’d have very little time to prepare, but our stockpile of nuclear warheads could be repurposed as insurance against this existential threat. from Space.com ift.tt/2kamwbs Share: