How many deaths push regulators to act? Coal mining disasters provide one answer.

At MIT, researchers are hard at work on building the next generation of helmets.

The Nest Protect costs four times as much as a normal smoke detector.

Electric car maker Tesla saw a drop in its shares yesterday after a video of one of its cars that caught on fire went viral.

When it comes to preventing shootings at the workplace, background checks before hiring employees are just the first step.

AT&T and other mobile carriers are uniting to help prevent teens from texting while driving. What technology exists, and does it work?

One popular response to the school massacre in Connecticut was a call to put armed guards in all schools. Thousands of schools already have them.

Today marks four years to the day since the last fatal crash of a commercial airliner in the U.S. In addition, the New York Times points out that last year was the safest for global air travel since 1945.

The executive director of the National Rifle Association proposes having "good guys with guns" protect school children from "bad guys with guns."

Schools are willing to spend to make schools safe, but security systems aren't a panacea.