Using infrared trail cameras, cell phone location data and fitness tracking apps, Montana-based Headwaters Economics is able to more accurately estimate usage and economic impacts.

Colorado mountains penned a letter to Vail Resorts CEO Kristen Lynch, objecting to the company using their colleagues to backfill striking workers in Utah.

Matthew Livelsberger, a 37-year-old Green Beret from Colorado, also wrote in a note that he needed to "cleanse my mind" of the lives lost of people he knew and "the burden of the lives I took." ...

Bollards meant to close roads off to cars have been an issue in New Orleans for years. Why did officials ignore this for so long, and what more could be done to keep crowds there safe?

NPR's Ailsa Chang speaks with with Jocelyn Chung, who wrote a children's book called When Love Is More Than Words, about all ...

NPR's Mary Louise Kelly talks with Amy Nordrum of the MIT Technology Review about the magazine's list of breakthrough technologies for 2025.

Alcohol use is a leading preventable cause of cancer, according to an advisory from the Surgeon General. Studies show a link to at least 7 types of cancer. The more people drink, the higher the risk.

In 2018, an orca in Washington dubbed J35 by scientists made global headlines when she carried her dead baby on her nose for 17 days. The same orca has just lost another calf.

President Biden formally blocked the sale of U.S. Steel to a Japanese steelmaker, citing national security concerns. The company said that it may have to cut thousands of union jobs without the sale.

New research shows that the anesthetic ketamine keeps fish from giving up -- and the way it works may help figure out how it works in humans and lead to better medications for depression.

Federal officials are trying to figure out the motive behind a Colorado man's decision to drive a rented Tesla Cybertruck to Las Vegas and detonate it in front of a Trump hotel on New Year's Day.

The Koran forbids intoxicants. But as psychedelics show promise in treating mental health, some Muslims are trying to figure out if there can be a place for psychedelics within Islamic life.