From rattlesnakes to cottonmouths, venomous snakes remain a backyard reality across much of the U.S. Here are the most common ...

Early Hohokam lived in pithouses dug into the ground with walls made of wood, brush, and clay. These partly underground homes ...

From Alaska across southern Canada all the way south to Tierra del Fuego — the southernmost point of South America — ...

A Greater Roadrunner zoomed into view and hopped atop one of the tee boxes to survey its surroundings. I focused my ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens ...

The United States Bureau of Land Management approved a new gold mine project near Wickenburg. The project raised environmental concerns regarding water usage, potential groundwater contamination and ...

Mycorrhizal fungi are vital to ecosystems around the world, but remain largely understudied, especially in arid regions. They ...

It's where natural history perfectly blends with the iconic saguaro cacti, which dominate the park's landscape.

E very month, nearly 2,000 Sonoran Desert animals cross a wildlife bridge over busy Oracle Road, or move through an oversized culvert beneath the six-lane highway at Oro Valley’s northern edge.

But all animals, including humans, have developed a wide range of capabilities so they can succeed in the environment they live in. Put simply, we’re all using our brains. Now that’s intelligent.

“Maybe there's been some kind of recent predation attempt that this squid has managed to survive,” says Bolstad, although it's unclear exactly which species was involved in the epic battle.

In a nutshell Desert fruit flies have evolved to be attracted to heat, not by changing their heat sensors, but by rewiring how their brains interpret those heat signals, flipping a natural aversion ...