The decision hinges almost entirely on a constitutional right Republicans fought for in the wake of the passage of the federal Affordable Care Act, allowing residents to make their own healthcare decisions.

Thousands of people are expected to visit Las Vegas this week for the Formula One Grand Prix. Ahead of the race, a low-flying helicopter conducted radiation tests for “national security.”

A new study shows that wildlife migration routes in the West will likely shift because of climate change. That’s why researchers worked with a tribe in the Mountain West to find out how to tackle the problem.

Wildland fire has a diversity problem: in 2022, the Government Accountability Office reported that the federal firefighting force was 84 percent men and 72 percent white. This inequitable situation has been identified as one of the key barriers to recruiting and retaining a workforce capable of confronting the wildfire crisis.

Conservationists and tribes in the Mountain West say they intend to sue the federal government if it doesn’t take steps to protect a rare snail that is threatened by a proposed lithium mine.

Biden has created six new monuments and expanded or restored more. He’s had a particular emphasis on protections called for by tribes.

Teton County District Court Judge Melissa Owens ruled Monday that the two laws passed by the Wyoming legislature to restrict or completely ban abortion in the state violate the Wyoming Constitution.

The National Park Service this month issued a first-ever director’s order to strengthen its consultation with tribes in the Mountain West and beyond.

Tackling climate change isn’t a top priority for Republicans, but Benji Backer says that can change.

Idaho's abortion bans permit doctors to perform abortions to prevent the death of a pregnant woman, but not to preserve her health. This lawsuit is aiming to change that by expanding the medical circumstances in which abortions are allowed.