Ukrainian troops were at risk while getting critical supplies to the front lines. Now they're using fiber-optic ground drones ...

Frontline Ukrainian soldiers in need of ammo, fuel, and food are now getting a steady supply without putting the lives of delivery drivers at risk, say operators of a new generation of fiber-optic ...

It was supposed to be a splashy and posh addition to the Belgrade skyline: a $500 million luxury hotel and residential complex, built on the damaged Defense Ministry office that was bombed by NATO ...