A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon ...

Many police departments around Ohio use drones, or plan to buy them soon. Some officials view drones as a viable replacement ...

Sikorsky said the aircraft also performed 30 transitions between helicopter and airplane modes, calling it the “most complex maneuver demanded of the design.” The drone also reached a top crui ...

Russian state-run news agency RT reported Thursday that air defenses targeted "helicopter drones," claiming this marked the first attempted use of such drones to attack Moscow during the conflict.

their first launchers for a Ukrainian Patriot air-defense battery and then that pair of helicopters. It was a shocking signal that the Russians’ kill-chain—the networked drones and artillery ...