T he Grand Canyon is one of the most visited national parks in the U.S., attracting over four million visitors to northern ...

A Peruvian woman who crossed the U.S. border illegally was acquitted Thursday of unauthorized access to a newly designated ...

Part of the Earth’s natural cycles of warming and cooling, heatwaves have always affected our planet. However, climate change means that intense and prolonged heat events are now impacting areas ...

With dust storms, flash floods and lightning, Arizona monsoon history has shaped the landscape. A look back at Arizona's monsoon legacy.

As conservationsts and Oro Valley officials gathered recently to celebrate the success of wildlife crossings on Oracle Road, ...

Storm cells arrived in the Tucson area Thursday afternoon, bringing strong winds and slight rains after the day began with warnings of excessive heat. The strong winds caused a large metal column ...

America’s first Chief Geologist, G.K. Gilbert — working for J.W. Powell, of Grand Canyon fame — rode his horse through the ...

Green Valley residents packed the Community Performance & Art Center on Thursday to hear about monsoons and how to avoid ...

Surprise police are asking for people to come forward with tips after the body of Raquel Marie Morales was found in a landfill in April.

The matter of interest and point in question is a video that shows an aerial view of the earth with a small white light speedily circling India This video which is supposedly released by Nasa and is b ...

Arizona has seen its fair share of severe weather throughout the state. Watch a compilation of videos from various thunderstorms, floods, and fires from across the Grand Canyon State on our 12News ...