After the U.S. imposed new tariffs, China responded by restricting exports of several rare earth minerals critical to American defense and medical technologies. To protect national security, the U.S.

President Joe Biden recently signed a bipartisan bill aimed at cleaning up abandoned mines around the country, including those in Arizona. Senator Mark Kelly was among three senators who created the ...

Thieves targeting copper are causing widespread service disruptions across the Valley and costing about $7,000 in repairs, officials said Wednesday. Investigators said the crooks only get away with ...