The Oxbow Bridge in western Arizona served as a shortcut to Yuma before it collapsed into the Colorado River on Aug. 1.

Two people drowned in the Colorado River, including a 32-year-old man from Tempe. They had gone into the water to cool off ...

All members of Congress representing Colorado, Democrats and Republicans alike, are asking President Donald Trump to release ...

On Saturday afternoon, more than 1,000 people are expected to make their way to New Belgium Brewing in Fort Collins for the ...

Government officials in Colorado have penned a letter to Secretary of the Interior Doug Burgum and Secretary of Agriculture Brooke Rollins asking for help addressing invasive zebra mussels.

Not as much water flows into the river as people are entitled to take out of it. A new idea might change that, but ...

Colorado Parks and Wildlife has confirmed plans to begin treating part of the Colorado River for invasive zebra mussels. The ...

The sunlight sparkles across the ripples of the Colorado River, reflecting off ancient black rock layered beneath flaming red ...

Tamarask beetles may be tiny, but when they swarm to feed, they pack a punch. They repeatedly consume the tamarisks' leaves ...

Colorado’s congressional delegation has united to ask the Trump administration to release $140 million in funding previously ...

A bridge connecting the small western Arizona community of Cibola to California was destroyed by a wildfire earlier this ...