When Tom Fleischner started teaching students about a biodiverse Arizona landscape, he found a place with no name and little work by other scientists. The region, sometimes called the Arizona Central ...

The Arizona Trail stretches 850 miles from the state's northern border with Utah to its southern border with Mexico. Republic reporter Joan Meiners is biking the trail, start to finish. Outside ...

As the trail wound its way into Arizona's Sky Islands, the region's biodiversity was on full display, as were the threats ...

During Arizona’s scorching summers, many Phoenix-area residents make the hourslong trek to popular mountain resort towns like Flagstaff and Pinetop-Lakeside. Matt and Kelly Dee wanted something closer ...

View of Grand Canyon from Shoshone Point, Arizona, USA. - Martin Blazicek/Shutterstock Of all of America's many natural wonders, none has more international recognition and acclaim than Arizona's ...

PHOENIX — The Grand Canyon North Rim’s interrupted visitor season, which included a monthslong closure due to the Dragon Bravo Fire, will come to an end on Friday, officials announced. The Grand ...