The Santa Cruz River is a sprawling watershed stretching through southern Arizona from Marana to northern Mexico. And it’s being reshaped by invasive plants. “We have invasive species that are throughout...

Every spring in southern Arizona, stinknet, a small, yellow, petalless flower blooms and spreads across the desert like the wildfires it causes.  This time of year the invasive plant is actively flowering...

If you’ve been noticing more grasshoppers on your back porch or swarming your porch light, you’re not alone. Tucson has seen a recent explosion of grasshoppers. “It’s a combination of well-spaced...

There are salt lakes around the world: The Great Salt Lake in Utah. The Aral Sea in Kazakhstan. The Salton Sea and Mono Lake in California. In her new book “Salt Lakes,” journalist, author and critic...

The sounds of motors buzzing and children's laughter filled the air as participants got hands-on experience constructing and operating drones during the recent Pima Air and Space Museum’s Fly-A-Drone...