Eric Hagerman

Take a photo tour of AUVSI, the Association for Unmanned Vehicle Systems International trade show in Denver

An advanced fly-by-wire system capable of landing grossly damaged unmanned aircraft—demonstrated on video saving a plane missing 80 percent of one wing—is key to solving one of unmanned flight’s biggest problems

Sturdy construction and custom tuning could make these the last ’phones you’ll ever need

Inside the wild kingdom of the world’s newest and most spectacular species of unmanned aircraft, from swarming insect ’bots that can storm a burning building to a seven-ton weaponized spyplane invisible to radar

It’s one thing to worry about pollutants in our freshwater supply. It’s another to find out that all across the...

The next-generation surveillance package for the Air Force's MQ-9 Reaper drones, named for Medusa's stony glare, will provide an unprecedentedly broad view of the battlefield spanning time and space

The age of remote-control warfare isn't coming--it's here, and not even the Air Force, which made it happen, is entirely prepared. Here, a firsthand look at the struggle to train thousands of drone pilots virtually overnight

Beleaguered, outsize traveler Eric Hagerman investigates

The FDA finds dangerous levels of medications in weight-loss supplements

Obesity is booming, yet there are only two medications approved for long-term weight loss. Why is it so hard to make a diet pill that works? For one thing, evolution hates diets