Ready to tackle a mountaineering challenge? In Peak, you and up to three friends find yourselves crash landed on a beach and stranded in the wilderness.

PHOENIX — The U.S. Board on Geographic Names voted Thursday to officially change the name of a prominent Phoenix mountain to Piestewa Peak to honor the first American Indian woman ...

Climate and environment updates: Hurricane Hunter flights provide crucial boost to forecast accuracy: Study Hurricane Hunter flights boosted the accuracy of forecasts as much as 24%.