An 18-year-old hiker died after suffering heat-related distress in Grand Canyon National Park. Here's what to know.

Following a tragic hiker death in the Grand Canyon, we break down why the Bright Angel Trail turns deadly in summer and how ...

Consult a park ranger before heading down to the Colorado River,” the National Park Service said of hiking along the Bright ...

The man was with his father on a popular, strenuous trail on a day that temperatures reached above 100 degrees in parts of the canyon, officials said.

Teenage hiker dies in Grand Canyon after collapsing from heat related illness - Heat rises within the canyon which can result ...

Dangerous heat has returned to Arizona, presenting challenges for those living on the streets. FOX 10 Photojournalist Undrell ...

The Phoenix area faces ongoing triple-digit temperatures and high fire danger as gusty winds prompt red flag warnings across ...

Rangers found the teen below the Bright Angel Trail near Havasupai Gardens and attempted a helicopter rescue, but efforts ...

The test, which did not misidentify any children without autism, measures the concentration of chemicals released by gut bacteria. The study indicates that children with autism showed elevated levels ...

A new study finds that smoke from larger wildfires is reversing more than a decade of American improvements in smog.

A Florida man convicted of murdering his girlfriend's 5-month-old baby girl and dumping her body in a pond 30 years ago was ...