Mycorrhizal fungi are a vital part of ecosystems around the world — including to climate-threatened saguaros here in the ...

As artificial intelligence becomes more embedded in everything from grocery lists to legal briefs, it's now making its way ...

Tucker, a member of the Tohono O’odham Nation, carries on the ancient custom of plucking the fruit from the giant saguaro cactus, but she must work quickly. Once the rains soak the land, the ...

Carlsbad Caverns National Park in New Mexico is home to one of the most impressive cave systems in the world. Below you ...