Add Yahoo as a preferred source to see more of our stories on Google. Scanners were introduced at airports to combat hijacking in the 1970s - Getty Images The conveyor-belt security scanners at ...

Add Yahoo as a preferred source to see more of our stories on Google. At some of the world’s most sensitive spots, authorities have installed security screening devices made by a single Chinese ...

The U.S. Department of Homeland Security may soon embrace super-fast, laser-based molecular scanning technology that can detect anything on or in your body in an instant. The technology holds promise ...

If you've flown recently, you may have seen them: new scanning booths that produce full-body images of airline passengers in order to detect hidden weapons, liquids, narcotics and other contraband.

A Wisconsin school district has contracted with Evolv Technology to install five dual-lane, walkthrough metal detectors at a handful of schools, costing the district $508,262 over the next four years.