Colorado

Put a picture of the Grand Canyon next to one of Mars, and it’s easy to see some similarities. Red rock formations dominate both landscapes. But just how closely related are the places carved by the Colorado River and the surface of the red planet?

The patriarch of the West Slope’s Copper Creek Pack, the first formed since reintroduction, died last week just days after officers captured the animal with plans to move the family to prevent livestock attacks. Parks and Wildlife said Monday the wolf had a severe leg injury and was in poor health before he was captured.

A Colorado judge has issued an order temporarily blocking the proposed $24.6 billion merger between the nation’s two largest supermarket chains ahead of an antitrust trial in state court set to begin in September.

Conservation groups are celebrating the approval of the wolverine restoration bill. They see Colorado as a key piece of a strategy to ensure the survival of the extremely solitary member of the weasel family.

Months after wolves were reintroduced to the Colorado landscape, they’re expanding their range and generating buzz.

The case came about because of an angler who was fishing on a part of the Arkansas River that ran through private property. The court dismissed the angler's claim, but the battle to define whether the state owns a riverbed could pit landowners against recreation enthusiasts in the future.

Animal agriculture produces more methane – a powerful greenhouse gas – than any other human activity in the U.S. Climate experts say we need to cut greenhouse gas emissions dramatically before 2030. But when it comes to emissions from the livestock sector, the science is still emerging, and it’s not yet clear if the cuts will come in time—or how.

Chili peppers are an important ingredient for many foods. Now, a new study shows that they have been around for much longer than we thought, with origins in parts of the Mountain West.

Media coverage of Indigenous communities has perpetuated harmful stereotypes among other shortcomings, according to a new report from the Colorado News Collaborative.

Global Thermostat unveiled a direct air carbon capture machine near Denver that it said can draw about 1,000 tons of carbon dioxide out of the atmosphere a year.