Arizona Attorney General Kris Mayes has filed a multi state lawsuit seeking to stop Elon Musk from what she calls an unlawful delegation of executive power, her office announced Thursday.

Musk, Trump say they have a mandate to slash the size of the federal government, but the Democratic AGs argue Congress has ceded too much power.

Elon Musk's internet satellites have been a game changer for people in rural areas, but scientists are alarmed that plans to launch thousands more will be perilous for our skies.

The Falcon 9 launched 23 Starlink satellites from Vandenberg Space Force Base in California just after 6 p.m. Several universities across the country, including the University of Arizona, are facing ...

President Trump signed an executive order Tuesday that seeks to "significantly reduce the size of government" through Elon ...

After launch, the SpaceX Falcon 9 first-stage booster settled down for landing on the drone ship Just Read the Instructions in the Atlantic Ocean.

Clouds cleared out just enough to make this evenings rocket launch from Vandenberg Space Force Base out in California visible ...

A SpaceX launch from California on Monday night was visible in metro Phoenix. Here's what the rocket was carrying and how to ...

Nevadans may have seen an unusual white streak in the sky. Not quite a cloud and not quite a comet, the sight left people ...

The rocket took off from Vandenberg Space Force Base in California and was seen in the sky across Arizona. The rocket was ...

In short, the rocket launches far away, in California. but it goes so high that we can see it in Arizona. And when we see it, it's not in the shadow of nightfall, even though Arizona is. The "glow" is ...