Amid mounting challenges to Colorado’s water supply, lawmakers are seeking to upgrade the decades-old method of tracking the ...

Denver's racial diversity varies widely based on the area; the white populations of zip codes range from 24 to 88 percent.

Ranchers reported Feb. 3 the collared wolf in Glade Park, which is about 17 miles from the Utah border and 10 miles southwest ...

The confirmation was recently made in northwest Moffat County. It is the first uncollared wolf acknowledged by state wildlife ...

The National Hurricane Center's website and maps now reflect the official name (at least in the U.S.) of the Gulf of America.

Maps show the U.S. states with the healthiest diets, based on fruit and vegetables, alcohol, food insecurity, and diseases.

Republican Rep. Lauren Boebert introduced a bill last week to remove wolves from the U.S. endangered species list, reviving ...

For Matt Williamson, home was wherever the forest called. With a father who worked as a wildlife biologist for the Forest ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily more accurate.

Here's a look at locations in the United States ... the Colorado-Wyoming border was human-caused and burned 138 acres over the course of five days. In Arizona, 27% of properties in the state ...