A rapidly spreading wildfire at Grand Canyon National Park in Arizona has forced the closure of part of the popular ...

Holly Bock reports on how a new satellite system delivers critical alerts to hikers deep in Grand Canyon. It works on devices like Garmins & newer iPhone models. Holly Bock reports.

A new emergency system for the Grand Canyon is getting life-saving messages to people with little cellphone service.

Grand Canyon fire that was left to burn swells 50% after destroying historic lodge - Nation and World News | Hawaii ...