Candidates are vying for three seats on the state corporation commission, which has tremendous power over energy decisions.

The Arizona Lottery is partnering with the Desert Botanical Garden to support critical conservation efforts. The ...

A Phoenix park got over 65 new trees Friday in hopes of reducing rising temperatures in the Maryvale neighborhood.

Arizona is home to about 4,000 species of plants, with 300 of them considered dangerous to humans and animals according to ...

U.S. presidents and vice presidents have visited Arizona for work and play since the 1920s. Here's where they stay, from ...

TSMC, the world’s largest semiconductor manufacturer, has achieved better yield in its new Arizona factory than its Taiwan ...

During a webinar on Wednesday hosted by the Potomac Institute for Policy Studies, Taiwan Semiconductor Manufacturing US ...

Voters can decide between two radically different philosophies over how to manage utilities and energy use in Arizona.

Part of State Route 87 northeast of metro Phoenix was temporarily closed after a crash on Friday morning, authorities said.

Phoenix plant produced 4% more usable chips than equivalent plants in Taiwan, according to TSMC US division president Rick Cassidy. This is TSMC’s first plant in Arizona and the positive production ...