More than 35 years later, the post-mortem on one of the country's worst engineering disasters appears to be simple. A contractor asked for a change in an original design. The change was approved by ...

The world mourns for Japan in the aftermath of its 8.9 earthquake. The size of the quake and the tsunami that followed raise questions about just how far human engineering can resist catastrophic ...

A jetliner crashes with 228 people on board; an oil refinery erupts in Utah; manhole covers explode around the country; a coal-filled freight train derails; and an elevator ride turns deadly.