Low snow totals across the Colorado River basin are threatening to shrink major reservoirs and making water managers anxious.

If you took a look at a map of Rocky Mountain snow right now you would see a lot of red. The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than ...

On a cold winter morning in 1922, the delegates who negotiated the original Colorado River Compact left their respective capitals for Bishop’s Lodge just outside Santa Fe. Gathered in a room, they ...

The Green River, the largest tributary of the Colorado River, appears to defy gravity for more than 100 miles as it cuts straight across the Uinta Mountains instead of taking an easier downhill path ...