As the number of drone hobbyists increases, so do the number of close calls between the machines and planes and helicopters.
From their high perspective and discreet presence, drones have the ability to capture unique aerial images.
A teenager in Connecticut has built a drone that fires a semiautomatic handgun.
Alternative energy is revving up without any emissions.
Switzerland's postal service is now testing deliveries by drones, but widespread use is not likely to kick in for another five years.
A collaboration between NASA, Flirtey and Virginia Tech has received approval from the FAA to deliver pharmaceuticals via drones.
Current international humanitarian laws do not address the development of lethal robotic weapons.
Inspired by origami, pocket-sized quadcopters could be self-deployed and snap to attention in disaster areas.
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