Here is what to expect when traveling throughout Arizona on July Fourth Day weekend, including traffic issues, event coverage and weather updates.

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the Tohono O’odham Nation, harvest time ...