Amid debate about whether Arizona regulators should continue tinkering with rooftop solar policies, an independent study released this week concludes a “Value of Solar” program is working as ...

Representatives from NASA, the National Oceanographic and Atmospheric Administration (NOAA) and the international Solar Cycle Prediction Panel made the announcement at a news conference Tuesday.

The temperature is finally dropping, which suits Tucson perfectly. October is traditionally one of the busiest months of the year when it comes to festivals, concerts and other events. Here are ...

Brace yourselves, Earthlings: NASA, the NOAA, and the Solar Cycle Prediction Panel have officially declared that solar maximum is now underway. What does that mean? Our Sun is reaching the peak of ...

Brace yourselves, Earthlings: NASA, the NOAA, and the Solar Cycle Prediction Panel have officially declared that solar maximum is now underway. What does that mean? Our Sun is reaching the peak of its ...

Every 11 years, the Sun gets very active and the number of sunspots — dark, cooler areas on the Sun — increases dramatically. For centuries, scientists have been counting sunspots to track this ...

The explosive peak in the sun's roughly 11-year cycle of activity — known as the solar maximum — is already well underway, scientists have announced. While many experts suspected that this was ...

TUCSON, AZ — Miguel Moreno, 70, was the family patriarch so it was a difficult decision when his daughters had to place him in memory care. Moreno’s daughters, Mina Hernandez and Adriana ...

TUCSON, Ariz. (13 News) - The Tucson Police Department has no suspects in custody following the shooting death of a 17-year-old. The TPD says just before 2:30 a.m. Saturday, October 12, officers ...

The Salt River Project and a Danish renewable-energy company, ∅rsted, have launched a new solar and battery-storage complex in Pinal County, the largest combined operation of its type in the ...

TUCSON, AZ (AZFamily) — A former president will be traveling to Arizona to campaign for a presidential nominee as early voting gets underway in Arizona. On Friday, the Harriz-Walz campaign ...

TUCSON, Ariz. — Former President Barack Obama ... users stream live events — including daily newscasts like "Today in AZ" and "12 News" and our daily lifestyle program, "Arizona Midday ...