ASU researchers are assessing environmental concerns at a vital desert oasis 60 miles from Phoenix, the Hassayampa River Preserve.

Peoria police identified the man shot Friday as 43-year-old Matthew Paul Cardon of Peoria. Jordan Smith lives with her ...

The Maricopa County Attorney's Office has brought nearly 350 death penalty cases over the past two decades. But only 41 — or 13 percent — have ended with a death sentence.

The power to seek death is the greatest power we give prosecutors. But the process for selecting death penalty cases in Maricopa County is shrouded in secrecy.

Arizona Department of Transportation engineers are working to develop more durable road materials that can withstand the ...