Russia hopes nuclear ship will fly humans to Mars

Russia’s space agency is planning to build a new spaceship with a nuclear engine, its chief said Wednesday. Anatoly Perminov told a government meeting Wednesday that the preliminary design could be ready by 2012.

Nuclear Handling: One mistake that could kill millions

The Air Force treated nuclear weapons handling as a dead-end job. Sometimes a single incident can reshape an entire military service. The U.S. Air Force was humiliated in late 2007 when ground crews unwittingly loaded six live nuclear warheads onto a B-52 bomber, believing them to be cruise missiles.