You know the sound: It's eerie and echoing, and it makes the little hairs on your arms stand up immediately. So many horror movies use it to create a chilling atmosphere, and even some reality shows ...

Its fear-splitting screech reverberates throughout space and time. Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle — often credited with emitting the scariest ...

The salvage yard at M. Maselli & Sons, in Petaluma, California, is made up of six acres of angle irons, block pulleys, doorplates, digging tools, motors, fencing, tubing, reels, spools, and rusted ...