Jack Roosa’s father, Stuart, was the command module pilot for Apollo 14, and among his accomplishments aboard that scientifically focused mission was caring for 500 tree seeds that orbited the Moon in early 1971.
Invasive cheatgrass has taken over native desert ecosystems and worsened wildfires across the West. To reverse that trend, researchers are studying the potential of a seed-killing pathogen called the "Black Fingers of Death.”
A popular reservoir in Prescott has long been plagued by accumulating pollutants on the lake bed. While residents and the city want cleanup to happen soon, a new settlement will delay any action for now.
Scientists have a new worry about a special group of organisms that protects soil on the Colorado Plateau. They’re called “biocrusts,” and they’re easily destroyed when trampled. But new research shows there’s another menace.