Discover the best Tucson mountain biking. From flowy singletrack to epic backcountry rides, there is outdoor adventure for ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

Democrat Adelita Grijalva was sworn in as the newest member of Congress on Wednesday, more than seven weeks after she won a ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

From the Dusk Festival Downtown to Garmin marathon runners making their way through the city, drivers may run into a few road ...

TUCSON, Ariz. (13 News) - The Garmin Marathon is just one of the events happening in Tucson this weekend. You can find a list ...

The inaugural Garmin Marathon Tucson is set to take over the city's streets, bringing excitement but also significant traffic ...

TUCSON, Ariz. (KVOA) - New maps created by a Northern Arizona University professor are revealing the carbon footprint of neighborhoods in Tucson and other Arizona cities. Dr. Kevin Gurney has spent ...

Tucson-based Raytheon Missiles & Defense and partner Northrop Grumman successfully completed a key flight test of a hypersonic missile being developed for the Defense Advanced Research Projects Agency ...

As Tucson’s landmark Mexican restaurant El Charro is celebrating its centennial year, several Tucson restaurants are hoping to follow in its footsteps. Here are several Tucson restaurants that have ...

El Tour de Tucson returns Saturday, Nov. 22, marking the 42nd year that the city has hosted one of the Southwest’s largest road-cycling events.

Climate change has one consequence that everyone fears: rising sea levels. Far from being a future threat, its effects are already being felt around the world, and scientific projections force us to ...