Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

Historical reports indicate there were thousands of bighorn sheep in the canyons and mountains surrounding Hells Canyon ... die-offs on the Idaho side of Snake River after the two species comingled.

Energy Secretary Chris Wright’s recent remarks on the Lower Snake River dams and claim that dam removal would be “going backward” ignores decades of research showing that restoring a free ...

Federal officials have rejected a plan to release floodwaters from Lake Powell to restore Grand Canyon beaches this spring, frustrating river advocates who question the government’s commitment ...

A man was left "shocked" after almost stepping on a snake near his cabins in Bewdley. Jamie Cox, who owns three cabins by the River Severn, said he is used to spotting all kinds of wildlife ...

The Columbia and the Lower Snake River, its largest tributary, are warming due primarily to dams and climate change, according to the state Department of Ecology. A new environmental assessment of ...

Twin Falls County Sheriff's deputies responded to a crash outside Twin Falls city limits that closed a busy road for almost an hour. Some people are kicking off the summer by going outdoors to ...