Many climate experts see its deserts as a place to build the green-energy future. For two local activists, the price is too great.

Local artists straddle aesthetic and artistic worlds in the land of mega-spectacles and oversize flash.

At the Microsoft Excel World Championship in Las Vegas, there was stardust in the air as 12 finance guys vied to be crowned the world’s best spreadsheeter.

A Green Beret who had served several combat tours fatally shot himself in a Cybertruck that exploded outside a Trump hotel on New Year’s Day.

The police shared notes from a phone used by Master Sgt. Matthew Livelsberger, who fatally shot himself inside a Cybertruck outside a Trump hotel in Las Vegas.

Fellow soldiers say the Army sergeant who set off the explosion could have done far more harm. Investigators are trying to figure out why he didn’t.

The two episodes have superficial similarities, including that both suspects used the same car rental app.

Turo, which investigators say was used to acquire the vehicles involved in the attack in New Orleans and explosion in Las Vegas, was emerging as an alternative car-rental service.

Officials said they used data from Tesla charging stations to chart the driver’s dayslong journey from Colorado to the Trump Hotel in Las Vegas.

The F.B.I. says no connection has been found between the truck explosion outside a Trump Hotel and the truck attack that killed 14 people in New Orleans.

More than 9,000 flights were delayed on Saturday amid threats of rain, snow and tornadoes across the country.