The U.S. and Mexico are working closer than ever to trace the origin of guns used in drug cartel massacres and other crimes ...

In a resolution introduced to the state legislature, Republican State Sen. Wendy Rogers listed what she believes are Trump's achievements during his first term in office.

Death toll continues to climb as more than 7,500 firefighting personnel are deployed across California, with two of the most ferocious fires at zero percent containment ...

The NWS has issued the warnings as a powerful polar vortex continues to make temperatures plunge nationwide this week.

The Environmental Protection Agency announced this week it has approved a plan to remove and store more than 1 million cubic ...

At least 5 are dead and thousands have fled their homes as multiple wildfires fueled by Santa Ana winds blasted across ...

Researchers from Princeton University and the University of Arizona have created a simulation that maps underground water on a continental scale. The ...

Oregon homeowners who live in certain high-risk wildfire areas defined by the state must now meet new building codes and ...

Authorities said they used records from Tesla charging stations to track the Cybertruck's movements to Las Vegas, where it exploded.

On New Years Day, a Tesla Cybertruck exploded outside Trump International Hotel in Las Vegas, killing one and injuring 7 in what officials are investigating as a terrorist attack.

Since 1890, The Arizona Republic has written the news of Arizona, from its rough and dusty territorial days to its current ...