Oscar Rene Coronado and Francisco J. Landin Jr. for the Nogales International Film Festival — border wall film festival ...

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

Immigration and border security will be the likely focus of U.S.-Mexico relations under the new Trump administration. But ...

Participants highlighted concerns about oil and gas drilling, cleanup of sites contaminated by the uranium industry, hydrogen ...

Looking for some bucket-list travel ideas? You can't go wrong with these natural wonders—though you might not believe your ...

Growing water use is already overtaxing limited supplies from nearly all of the region’s cross-border rivers, streams and ...

From spectacular landscapes — hello, Havasu Falls — to artistic wonders, here are 10 of the most beautiful things to see in ...

These nine affordable weekend escapes across the US are perfect for couples. Enjoy a weekend stay under $175 a night!

We've all been there, including Rep. Teresa Martinez, the Arizona lawmaker behind a new bill that aims to reduce this inconvenience. If passed, House Bill 2235 would impose a new, costly ...