A University of Arizona researcher is part of an effort to identify the diseases carried by ticks, and she's asking people to send her samples.

The Dragon Bravo Fire, which was sparked by lightning and has been burning since July 4, was 61 hectares in size Friday ...

A 67-year-old Texas man died while hiking at the Grand Canyon National Park amid extreme summer temperatures, according to a ...

Shock has turned into grief across Texas where at least 120 people have died from flash floods and more were missing as the ...

A hiker has died on the South Kaibab Trail in the Grand Canyon National Park while attempting to reach the Colorado River.

DENVER (KDVR) — Officials are evacuating campgrounds at Black Canyon of the Gunnison due to two fires in the park.

A 67-year-old Texas man died Tuesday at the Grand Canyon after abandoning an attempt to hike down to the Colorado River. He ...

A Texas man died while hiking in the Grand Canyon, the National Park Service said Wednesday, as the agency warned of ...

A 67-year-old Texas man has died, according to National Park Service officials, while he was trying to hike to the Phantom ...

A 67-year-old man from Texas has died while hiking the Grand Canyon, according to park rangers who are warning of extreme ...

A new report from ADOT shows the number of deadly crashes has slightly dropped for the second straight year but they're still ...

A park employee at the Grand Canyon was exposed to hantavirus, and a separate case of exposure to rabies in the park has also been confirmed.