The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its thorn-covered small fruit ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.

Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress.

A 1970s proposal would have brought a 600-foot, neon saguaro cactus tower to Papago Park. Here's why it was suggested but didn't happen.

A 1970s proposal would have brought a 600-foot, neon saguaro cactus tower to Papago Park. Here's why it was suggested but didn't happen.

A cholla cactus is seen in Saguaro National Park. Credit: John Burcham/SPUN Though invisible on the surface of the desert, researchers have found in recent decades that mycorrhizal fungi are a ...

Tucson's quirky saguaros A Saguaro cactus on Soldiers Trail Road that looks like an elephant in 1973. The Tucson Citizen called it a "Saguarontosaurus." ...

Though Saguaro National Park doesn’t actively track cactus flowers across the entire 93,000-acre preserve, the numbers appear to be way down, according to park biologist Don Swann.

The PLA filament (PLA is short for polylactic acid) allows hobbyists to 3D-print nostalgic novelties, replacement parts, and accessories that match the original color of vintage Apple computers.

A few short years ago, a 3D printer seemed like a novelty. But today, the best 3D printers are accessible, print in multiple colors and can build anything from a toy figurine to a self-watering ...