Last September, U.S. Rep. Paul A. Gosar (R-AZ) introduced a pair of bills in Congress that, if passed, would nullify two ...

President Joe Biden used his visit to Arizona on Tuesday to formally announce a national monument designation for the greater Grand Canyon, making Native American tribes' and environmentalists' ...

President Theodore Roosevelt declared the Grand Canyon a national monument in 1908. It later became a national park in 1919.

On Jan. 11, 1908, the Grand Canyon was established as a national monument by President Theodore Roosevelt. The move protected ...

For years, sportsmen's conservation groups have been working to protect the greater Grand Canyon region from future uranium mining. And, following two decades of local collaboration by tribal nations, ...