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 ...

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.

National Park Service rangers responded to the emergency on Wednesday near one of the most popular trails in Grand Canyon ...

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.

Matthew Perry’s assistant Kenneth Iwamasa has been sentenced to three years and five months in prison for his role in the ...

An autistic man, 22, died after falling from a third-story window at a New Jersey day program. His mother, a longtime autism advocate, is now pushing for laws requiring cameras in day programs and ...

Donike Gocaj, the 56-year-old woman who fell into an open manhole in Midtown Manhattan after stepping out of her car, died as a result of the intense heat inside the manhole beneath the streets and ...