For decades, many of the most advanced military weapons were developed in complete secrecy.

Military innovation is often driven by competition and the desire for a tactical advantage. Behind the scenes of every major war, governments, defense engineers, and scientists have envisioned weapons ...

As Nazi Germany staggered toward its chaotic end, desperation drove it to embrace radical - and often bizarre - technological experiments in a frantic attempt to reverse the tide of war. Nowhere was ...

Undercover US agents obtained a mysterious Russian weapon that could finally explain a baffling cluster of brain injuries suffered by American diplomats, spies, and military officers for nearly a ...

Add Yahoo as a preferred source to see more of our stories on Google. GettyImages 544987335 As Nazi Germany staggered toward its chaotic end, desperation drove it to embrace radical - and often ...