Taiwan Semiconductor Manufacturing Co. has achieved early production yields at its first plant in Arizona that surpass ...

A typical large tree can suck as much as 88 pounds of carbon dioxide out of the air over the course of a year. Now scientists at the University of California, Berkeley say they can do the same job ...

Arizona is, to borrow from the neighboring state of New Mexico, a land of enchantment. The southwestern U.S. state is home to ...

All Cosrx products are dermatologist-tested, cruelty-free, and have no parabens, sulfates, or phthalates. Promising review: ...

Tucson and other desert cities benefit more from the cooling effects of trees than other urban areas do, according to new study by the U.S. Geological Survey.

More than 256,000 people moved here last year from somewhere else. Close to a quarter arrived from another country. But many were from other states. Can you guess which state ...