The Search for the Perfect Stone

Business is booming, and bidding wars and backroom deals have taken over the wildly popular Tucson Gem and Mineral Show.

How Native Americans Will Shape the Future of Water in the West

Tribal nations hold the rights to significant portions of the Colorado River. In the increasing drought, some are showing the way to sustainability.

Can 3-D Printing Help Solve the Housing Crisis?

Standard construction can be slow, costly, and inefficient. Machines might do it better.