The center of Arizona is in a small town, which might surprise you. Here's what to know about the center of Arizona and how ...

As Arizona enters the final month of a bone dry winter, almost half the state is experiencing extreme drought conditions.

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

A live-updating map of novel coronavirus cases by zip code, courtesy of ESRI/JHU. Click on an area or use the search tool to enter a zip code. Use the + and - buttons to zoom in and out on the map.