The Grand Canyon is proposing changes to how backcountry areas are managed as more outdoor enthusiasts take to the park's remote terrain.

Arizona officials continue to support a federal court battle to allow new uranium mining operations on a million acres surrounding the Grand Canyon.

Russell Begaye was sworn in Tuesday as president of the Navajo Nation, agreeing to support several of his predecessor's projects including an aerial tram at the east rim of the Grand Canyon and a rail port that could export agriculture and coal from the reservation.

Forest officials are taking public comment on requests for easements that, if approved, would clear the way for a major development just outside the Grand Canyon.

Four Republicans in Arizona's U.S. House delegation are going on record as opposing a push to create a national monument near the Grand Canyon.

Federal investigators are looking into allegations of discrimination, retaliation and a sexually hostile work environment in the Grand Canyon's river corridor.

Visiting the Grand Canyon and other national parks could get a little pricier. The National Park Service said 115 of its 401 units plan to seek public comment on entrance fees that could go up starting next year.

A Grand Canyon concessionaire has sued the National Park Service, saying a new South Rim services contract gives an unfair advantage to a competitor and would result in a money-losing operation.

Mining industry groups say a ban on the filing of new hard rock mining claims near the Grand Canyon is irresponsible public policy, but the federal government and conservationists say it will protect water flowing through the canyon from potential contamination.

The Environmental Protection Agency set new limits Wednesday on emissions from six Arizona industrial facilities in order to reduce haze at 17 national parks and wilderness areas, including the Grand Canyon.