Daimler Trucks North America LLC said that in addition to debuting the company's self-driving semi-truck on the Hoover Dam Tuesday night, the vehicle maker also broke Guinness World Records when it projected the highest light output ever turning the dam into a massive movie screen.
Republican presidential candidate Marco Rubio plans two speeches in Arizona, one to the business community and another to a social conservative group that is a powerful force in the right-leaning state.
A new report from the Legislature's budget analysts shows an unexpected surge in corporate and individual income-tax payments last month that is expected to wipe out the need for a $132 million transfer from Arizona's rainy day fund to balance the current budget.
The federal judge overseeing contempt of court proceedings against Sheriff Joe Arpaio is standing by his questioning of Arpaio about the sheriff’s secret investigations. The judge has dismissed objections raised by the sheriff’s lawyers last week.
Forest Service officials are forecasting that fire suppression this year will cost between $800 million and $1.6 billion. The availability of that funding and how it’s allocated was among the discussions in a Senate Natural Resources Committee hearing Tuesday.
A Los Alamos National Laboratory employee was in critical condition Monday after being burned in an accident that also sent eight other workers at the nuclear weapons research facility to the hospital.
Legislation that's up for public comment would ban plastic bags and impose a fee on paper grocery bags. It encourages retailers to provide reusable bags at little or no cost, or provide boxes to customers.
The Islamic State group claimed responsibility on Tuesday for a weekend attack at a center near Dallas, Texas, that was exhibiting cartoon depictions of the Prophet Muhammad — though it offered no evidence of a direct link to the attackers.
A degree will be more expensive at Arizona’s three public universities. Monday the Arizona Board of Regents voted to raise tuition to compensate for nearly $100 million in state cuts to higher education.