Controversy has erupted after federal officials at the Bureau of Reclamation announced they do not plan to release ...

Dam maintenance and non-native fish reduction efforts led the government to reject environmentally restorative flood in Grand ...

In the case of the Grand Canyon, bronzebacks are eating into populations of native fish, including razorback suckers and the federally-protected humpback chub. Smallmouths are also impacting rainbow ...

The Grand Canyon wears the river’s touch on its flanks ... granite and gneiss. The result is a rainbow in a variety of different shades; a subtle canvas in pink, orange, red and brown which ...

GRAND CANYON NATIONAL PARK — A shot of cold water ... the cooling program may aid in recovery of the one-time trophy rainbow trout fishery that gained notoriety after Glen Canyon Dam cooled ...

Rowland said the youngest layers at the top of the Grand Canyon have been eroded, but Frenchman Mountain and Rainbow Gardens give a clear look at Mesozoic, Triassic, Jurassic and Miocene period rocks.

Federal officials have confirmed that they will not flood the Grand Canyon this spring ... at a time that can better support a tailwater rainbow trout fishery, which has suffered in recent ...