A federal judge says Arizona lawmakers and others lacked standing to sue the Biden administration over its creation of a new national monument.

A federal judge has tossed out a bid by Republican state lawmakers to overturn the designation of nearly a million acres of federal land near the Grand Canyon

Whether you're hiking, boating or just taking a stroll outside, the great outdoors has its dangers, and that includes the country's many national parks. A new study by an Atlanta-area legal firm crunched the numbers to see which national parks are the deadliest during winter.

The Arizona State Senate Republican Caucus sued the Biden Administration for the creation of Ancestral Footprints of the Grand Canyon National Monument.