California safety officials are launching an investigation into the tour company at the center of Tuesday's catastrophic avalanche near Lake Tahoe's Castle Peak.

California officials said Thursday they have opened a workplace safety investigation following the deadliest avalanche in the ...

An investigation into a deadly California avalanche is examining the potential negligence of backcountry guides, raising ...

A U.S. Department of Labor investigation found numerous safety hazards at a Mobile worksite where Construction Labor Services Inc. workers were exposed to sewag ...