The Cocóspera River is a critical water resource for the Sonoran Desert and for thousands of people, but now its valley is threatened by a new railway project. Image by Dawn Marie Paley.

“It’s part of the web of life in the Sonoran Desert and it’s at risk of extinction ... or consider alternatives like a high-speed railway system. “We have better solutions than dumping ...

It’s an oasis that snakes through the desert and runs between ... Conservationists in Sonora have also been struggling to find details on the train project. Mirna Manteca, a biologist with ...

Human-caused climate change driven primarily by the burning of fossil fuels is robbing the Sonoran Desert of the conditions needed to help baby saguaro take root and thrive. So, as the desert ...

Some of these little-known churches are the pride of the villages over which they preside; others are lonely desert ruins roasting under the Sonoran sun. Good highways reach them, and the best ...

Get to know some of Tucson’s most fascinating creatures at the Arizona-Sonora Desert Museum — more of a zoo than the name would suggest — about a 30-minute drive west of town (general ...

Chamberland outlined the myriad ways it threatens the fragile Sonoran biome and complicates ... canary-yellow orbs drape southern Arizona’s desert like a fungal carpet this spring.

Photos: What migrants leave behind on their journeys through the desert Personal effects are scattered throughout the Sonoran Desert, where thousands of undocumented immigrants have died making ...