The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...

Lorayne Meltzer has lived along the Gulf of California for 30 years. As an ecologist and director of a binational field ...

Sonora’s governor is touting the state’s energy production, as the Mexican state seeks to bulk up on solar. Gov. Alfonso Durazo says that the state of Sonora has become one of Mexico’s top five energy ...

The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will ...

Did you know that there are over 3,000 different species of centipedes, and scientists believe that there could be 5,000+ ...

Mexico’s Highway 2 runs along the border ... Ruth Edelman was among the tourists seeking the splendor of an oasis in the Sonoran Desert in February. For Edelman, of Avalon, N.J., it was a ...

Las Arenitas is an artificial oasis that recycles used water from the border city of Mexicali to regenerate ecosystems in the ...

Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's ...

Her appeal to the president was part of an advocacy for marginalized communities — one that took root some 43 years ago, when she served as a Christian missionary in the Sonoran Desert.

Did you know that there are over 3,000 different species of centipedes, and scientists believe that there could be 5,000+ ...

Mature saguaros can weigh 3,200 to 4,800 pounds when fully hydrated, according to the Arizona-Sonora Desert Museum in Tucson ... native to northwest Mexico) both claimed the world record ...