Set in Southern California, my HO scale layout includes a Southern Pacific train order office surrounded by a desert scene. Although this arid landscape has sparse vegetation, my scene needed two ...

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 ...

Once you get to know these prickly little guys, you can’t help but admire their tenancy. I rescued mine from next to a ...

Cacti are a type of plant that is known for its thick, fleshy stem and its spines. These plants are native to the deserts of North and South America, and have adapted to the dry, hot climate by ...