Las Vegas

Climate change is driving more dangerous summer heat across the U.S. Las Vegas, which reached 120 degrees last summer, is planting thousands of trees to help cool its hottest neighborhoods.

Immigrants without legal status make up a large part of the workers in several industries and have a combined household income of almost $27 billion in the Mountain West.

The seven states that share the shrinking river are deeply divided about new rules for its future. They met in Las Vegas for the annual Colorado River Water Users Association, or CRWUA, conference.

As the Colorado River Water Users Association gathers, the seven river states are like kids coming home to a family reunion. Policy watchers are frustrated with their level of disagreement.

A worldwide building boom of big, bright Church of Jesus Christ of Latter-day Saints temples is meeting pushback in a place not known for moderation. In Las Vegas, homeowners just a 30-minute drive from glittery resorts say they were trampled when officials approved a temple larger than the Notre Dame Cathedral in Paris.

Alabama, Oklahoma, and Texas already have vending machines that sell ammunition. The first machines in the West will be in Colorado, followed by ones in Utah and Nevada, says the CEO of American Rounds.

Population estimates show international migrants were attracted to some of the largest, most urban counties in the U.S. last year.

Super Bowl LVIII will be in Las Vegas this weekend — one of the biggest sports (and betting) events of the year being played in a city synonymous with gambling.

Getting passed over for federal funding was a disappointment for rail advocates and local leaders who tout trains' ability to connect Utahns and boost rural areas. But they aren't giving up.

At an annual meeting in Las Vegas, Colorado River policymakers said new rules may be a "messy compromise."

Policymakers say a wet winter has created space for discussions about long-term water management, but they have a diverse set of interests to consider while drawing up new rules.

Federal officials said Tuesday they will ease water cuts for Western states reliant on the Colorado River next year. Bountiful snowfall and rain last winter pulled much of the region out of drought this spring and raised water levels at key reservoirs.