To celebrate its 105th birthday the National Parks Service is offering free admission to all national parks.
The Phoenix Zoo has helped to breed more than 500 black-footed ferrets over the past 30 years.
The 84-acre Rio Verde Ranch is now part of the Prescott National Forest, thanks to the efforts of conservation nonprofit Trust For Public Land.
Researchers say they footprints pre-date dinosaurs, and originate from a time when the earth’s land was assembled into the supercontinent Pangea.
The Colorado River supplies water to farms and cities all across Arizona — but experts say that might not be the case for long.
Get the facts on where wildfires are burning throughout the state, how 2020 stacks up to previous years, and the toll these fires take on the environment.
The city's water plan indicates supply will last 30 years, but officials worry it might run out much sooner.