A wildfire that has scorched more than 10,000 acres has forced visitors, employees and residents of the Grand Canyon North Rim to evacuate.

Drivers who need to use the Loop 101 can take Union Hills Drive or the Beardsley frontage road. In addition, drivers should also be aware that the freeway will be narrowed to two lanes in both ...

As monsoon storms are making their way through Southern Arizona, the risk of flash flooding in Tucson and surrounding areas becomes very real. That’s why Pima County wants residents to be prepared.

A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed by the Mars Reconnaissance Orbiter. Credit: NASA/JPL/University of Arizona ...

NASA has selected three instruments to travel to the moon, with two planned for integration onto an LTV (Lunar Terrain ...

The Oak Ridge Fire burned through remote areas of the Navajo Nation, creating challenges for firefighters and emergency teams ...