The more transmissible and dangerous Delta variant of COVID-19 now accounts for nearly all cases of the disease in Colorado and has been confirmed in most counties, with updated data showing the ...

They’re recording data from one of the transects scientists have set up to measure the effects of the “pulse flow,” as it’s called, the rush of water sent down the river valley over a two-month period ...

Ted Robbins of KUAT Tuscon reports on the parched Colorado River delta. Perhaps, but the clam digger in the song is surrounded by living organisms. These Colorado River clams are dead. Their numbers ...

Last month, Colorado River water made it one step further in the journey from its headwaters in the Colorado Rockies all the way to the Gulf of California, which it has not done regularly since the ...

Aída Navarro joins the fight to revive the Colorado River Delta — and hope is flowing again. The Colorado River Delta was once a lush wetland. After decades of damming and diversion, it dried up — ...