An invasion of smallmouth bass from the Great Lakes region is spreading to new areas of the Colorado River in Arizona. The bass have already thwarted efforts to save threatened native fish in the ...

Just months after the federal government closed on a land exchange with a billionaire, a proposal to institute a permit system on the Blue River has ignited a conversation about river access and ...

The plucky humpback chub has weathered dams and invasive species, but climate change and a dwindling river flow pose new ...

Turning on the lights all across Utah — in Bountiful, Logan, Hurricane, Murray, St. George or Blanding — happens instantaneously. But all of those cities receive some electrical power from hundreds of ...

A deadline arrives Tuesday for states that rely on water from the Colorado River: Reach an agreement on a plan to manage the ...