Outmanned by a nuclear power in the largest land war in Europe since 1945, Ukraine's front line is increasingly held by machines.

Add Yahoo as a preferred source to see more of our stories on Google. Two launchers for a Patriot air defence missile system. Stock photo: Getty Images In response to an article by the Guardian, ...

One Marine in each rifle squad will be designated to fly small drones and run some of the Marines' expanding array of other digital devices. The Marine Corps is retooling its basic front-line infantry ...