Tucson's new ‘Astro Trail' is a collection of national parks, state parks, observatories, and planetariums, that offer a ...

When we were planning what hikes we wanted to do in our trip to Zion National Park the first week in January, Matthew ...

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.

During the recent fires, many L.A. residents were inundated with information (and misinformation) about air quality. Here's the latest on a few spots where you can hike safely post-fires and not fret ...