With the vintage fighter plane she would later climb into and fly into Phoenix as her backdrop, Southern Arizona Congresswoman Martha McSally announced Friday morning she is running for Sen. Jeff Flake’s seat.

The U.S. Department of State has a new travel warning system, ranking danger spots around the globe from one to four. Five states from Mexico have been classified under the most dangerous ranking.

Many people see the areas around the Murphy Elementary School District as a dumping ground for projects that wouldn’t fly in other parts of the city. Some say these neighborhoods are slowly dissolving. While others think new-found unity can lead to a community renaissance.

A Tucson man says death awaits him if he returns to El Salvador when he's no longer eligible to stay in the United States under Temporary Protected Status.

The murky rules regarding marijuana enforcement that emerged last week from the Trump administration created uncertainty in a fast growing legal industry that emerged on the U.S. market less than a decade ago.

The federal government has finalized plans to swap land with a southern Arizona copper mine to protect a historic site near Superior. Twelve tribes worked with the Forest Service and a mining company to save Apache Leap.

Forty-five years ago, NASA used part of the Sonora desert in Mexico to prepare expeditions to the Moon. Now, a new venture to Mars might just start there.

An Arizona family of four staying in a northern Arizona cabin was found dead on New Year’s Day. The Coconino County Sheriff’s Department believes the family died of possible carbon monoxide poisoning.

Universities across the Southwest are stepping up the work they do with counterparts in Mexico. They’re looking for ways to send more exchange students and to do more scientific research together.