As Heat Wave Causes Hikers' Deaths, Experts Share Safety Tips. Fast-rising temps, lack of water, and inexperience in the desert caught hikers in Arizona off-guard.

The heat wave of 2013 continues. This week it's coming to the East Coast, where temperatures are expected to soar into the mid-to-high 90s (degrees Farenheit). And there's no relief at night: Lows ...

This story appears in the February 2012 issue of National Geographic magazine. Carry a lawn chair and a sunshade—plenty of water too—onto the sage flats just south of Arizona's Highway 89A ...

A chance to see The Wave in Arizona is getting a little easier. Visitors can join the permit lottery through a mobile app. Here's how it will work.

The record-smashing Pacific Northwest heat wave suggests that climate change has forced us past a threshold for temperatures. Adrian Ochoa wipes his face while working on a deck in Dallas, Texas ...

National Geographic revealed its annual Pictures of the Year issue. The photos show wildlife, ... Arizona, which is home to about 800 parrots, cockatoos, macaws, and other bird species.

The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran Desert. Its present-day creativity draws on its Native American and ...