Authorities said Sunday that peak river flow is expected in the next two days.

For more than a century, the Green River's course through the Uinta Mountains in Utah's northeast has been a geological mystery, seemingly defying physics. Rivers carve their paths by flowing downhill ...

For years, water managers have been puzzled as the Colorado River kept delivering less water than expected—even when snowpack ...

The Spokane River ran low most of June. If you care about the river, this should alarm you. At the beginning of the month, the river’s flow was well below its legally required minimum – by nearly a ...