The Biden administration's unprecedented peacetime downing of the Chinese balloon and three other objects has raised new and troubling questions about the security of American airspace, alarming lawmakers who fear the episode has exposed a vulnerability that could be exploited by other foreign adversaries.

One of the largest coal producers in the United States sued a major freight railroad Tuesday, alleging it breached a contract to transport coal from Montana for use overseas.

The Supreme Court is taking up a dispute over a blocked Biden administration policy that would prioritize deportation of people in the country illegally who pose the greatest public safety risk.

Democrats celebrating a successful effort to keep control of the U.S. Senate this year will soon confront a 2024 campaign that could prove more challenging.

While the rest of the nation was posting a record increase in traffic fatalities in the first quarter of 2022, highway deaths in Arizona were falling by nearly a third, according to a recent report.

The Interior Department is giving Arizona and 23 other states a total of $560 million to start cleaning high-priority derelict oil and gas wells abandoned on state and private land, the department said August 25. 

A new U.S. Supreme Court ruling allowing state funds to be used for parochial school scholarships in Montana cements in place a system that has existed here for years, all with the blessing of courts. The nation’s high court in ...

A group representing marijuana business owners in the West is urging Congress to include language in a government spending bill that would protect pot operations.

States may cap political donors' campaign contributions only if they can show that those limits are preventing corruption or the appearance of corruption, a federal appeals court ruled Tuesday.

The U.S. government will invest nearly $50 million in water conservation and reuse projects in 12 drought-stricken Western states, Interior Secretary Sally Jewell announced Wednesday.