A chilling video is making the rounds from Northern Michigan, and it shows exactly why officials are sounding the alarm. The footage shows the Cheboygan Dam flowing wide open, water surging through as ...

Add Yahoo as a preferred source to see more of our stories on Google. After two powerful storms struck Hawaii over the past week, officials are warning that one of the largest dams on the island of ...

What would happen if the Hoover Dam failed? While a catastrophic collapse remains extremely unlikely, the real danger facing one of America's greatest engineering achievements is far more complex.