Arizona is facing a deadline to become the last of several states in the U.S. West to approve a plan ensuring shared water from the Colorado River doesn't dry up...
Vice President Mike Pence said he was never part of discussions to remove President Donald Trump from office and would take a lie-detector test “in a heartbeat” to prove that...
A self-driving Uber SUV struck and killed a pedestrian in suburban Phoenix in the first death involving a fully autonomous test vehicle — a crash that could have far-reaching consequences...
U.S. scientists studying the effects of uranium mining around the Grand Canyon say they are lacking information on whether the radioactive element is hurting plants, animals and a water source...
Families of Navajo war veterans who were honored at the White House say they were dumbfounded that President Donald Trump used the event to take a political jab at a...
As fierce debate rages about "taking a knee" during the national anthem to protest social injustice, Native Americans have a unique take on the issue as the ethnic group with...
The National Park Service plans to thin a herd of bison in the Grand Canyon through roundups and by seeking volunteers who are physically fit and proficient with a gun...