Raúl Grijalva, the Arizona Democrat ... by the U.S. Geological Survey, Bureau of Indian Affairs, National Park Service, Fish and Wildlife Service, Bureau of Reclamation and others.

This was discovered by Gary Krapu, a wildlife biologist with the United States Geological Survey ... Another docent, volunteering from Tucson, whispers to a couple taking in their first cranes ...

TUCSON, Arizona — In Tucson, an immigration attorney received a letter from the Department of Homeland Security, telling her she must leave the United States. Pamela Rioles Saeed says one ...

A new study gives Arizona and Nevada high marks for their reuse of treated sewage effluent as a way to reduce Colorado River ...

Dozens of former student pilots who say they racked up tens of thousands of dollars in debt for tuition are suing United Airlines and its flight school in the Arizona desert, saying it didn’t ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

Tucson, AZ, United States? Know about Tucson International Airport in detail. Find out the location of Tucson International Airport on United States map and also find out airports near to Tucson, AZ.

Arizona recycles more than half its wastewater, the second-highest rate among the seven states on the Colorado River, a new study found. If all seven states on the river reused as much water as ...

(KVOA) - As the clock ticks down on the tax filing deadline, residents of Arizona have until 11:59 p.m. to submit their 2024 tax returns. For those earning $79,000 or less, the United Way Tucson ...

Roughly 800,000 Canadian citizens live in the United States, according to the Canadian government. That’s a population larger than the city of Tucson. In Arizona, the Canadian population is made ...

The U.S. Forest Service will publish a decision on a transfer of land that would clear the way for a massive copper mining ...

The Trump administration plans to move ahead with a land swap that would enable work to start on a huge copper mine at Oak ...