KYIV, Ukraine (AP) — When Russian drones smashed into the Shostka train station in northeastern Ukraine earlier this month, they killed a 71-year-old man, injured at least eight people and left train ...

Close cooperation in flight between vertically stacked multirotor drones is widely regarded as dangerous, because there is persistent and intense ‘downwash’ interference. A ‘flying toolbox’ has been ...

A Russian drone has hit a passenger train, killing a 71-year-old man and injuring dozens of others, including children, in the latest strike against a civilian target in the Kremlin’s ongoing invasion ...