PHOENIX — A group of farmers, ranchers and cities are going to court to stop the state attorney general from pursuing her effort to halt pumping of groundwater by a Saudi-owned alfalfa farm in ...

It's been two years since horses last raced at Tucson's Rillito Park, and it seems the wait will be even longer.

MADISON, Wis. — A federal grand jury on Tuesday indicted a Wisconsin judge accused of helping a man evade immigration authorities, allowing the case against her to continue. The arrest of ...

Abstract: As a key component of a plug-in hybrid electric vehicle (PHEV) charger system, the front-end ac-dc converter must achieve high efficiency and power density. This paper presents a topology ...