About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to ...

As Peoria experiences considerable development and economic growth, here’s a look back at the city’s roots and early days.

The incoming object created an impact basin and sent streams of rocks hurtling like missiles, NASA said. Within minutes, two ...

White House press secretary Karoline Leavitt on Wednesday dismissed suggestions that President Donald Trump’s efforts to ...

The satellite internet technology has been a game changer for people in rural areas, but scientists are concerned about ...

Salt River Project (SRP) and Tucson Electric Power (TEP) are to consider the possibility of adding nuclear generation in ...

Arizona Public Service - operator of the Palo Verde nuclear power plant - is collaborating with Salt River Project and Tucson ...

Arizona's electric utilities are planning for more nuclear power as part of a new look for this energy source and the ...