The ongoing conflict in Ukraine is often described as the world's "first drone war". It has led to a continuing huge growth in the production of military drones, both within and outside Ukraine.

For all the impressive tasks that drones can do, there is one that remains beyond their power: facial recognition. Drones are generally much farther from their subjects than the kind of cameras, such ...

Soon, shoplifters in America may not just have to watch behind them, but above their heads, too. Flock Safety, a company that builds drones, has developed systems to pursue thieves bolting from retail ...