While the Grand Canyon may be Arizona’s best-known national park, it’s not the only one worth a visit. With 22 National Park ...

Saguaro cactuses are an iconic symbol of the American Southwest and the country's largest cactus species. But the world-famous cactuses are beginning to wither and die amidst the state’s ...

Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman University and a Sustainable Tourism certificate from the GSTC. Saguaro National Park in ...

In Phoenix, the summer of 2020 was so hot even the cactuses couldn’t stand it — literally. In the weeks after August, the hottest month in the hottest summer on record in a place already famous for ...

Justin Stewart, an ecologist with the Society for the Protection of Underground Networks, collects a sample of soil containing mycorrhizal fungi taken at Saguaro National Park. Credit: Wyatt ...

If you're one of the many people who are into succulents, then you know that they are a great plant to have around. They're beautiful, they don't take up much space, and they're relatively easy to ...

President Teddy Roosevelt, the quintessential conservationist, said, "A grove of giant redwoods or sequoias should be kept just as we keep a great and beautiful cathedral.” While in Tucson, Arizona, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PHOENIX (AP) — After recording the warmest ...

When you think of Saguaro National Park — sprawling mountain reserves on the east and west ends of Tucson — you may think of cactus. But probably not orchids. However, the Thurber’s bog orchid is one ...