Some parts of the moon are more interesting than others, especially when searching for future places for humans to land and ...

A river that drained the slopes of a now-vanished volcano may have carved Yosemite Valley's depths during the last 10 million ...

At 4.1 magnitude near Greenback, the quake was large for our area. Experts look back on the last earthquakes to predict the ...

The administration wants to cut funding for programs that help communities adapt to wildfire risk, sea-level rise and ...

Arizona’s dark sky cities are turning the state into a top astrotourism destination. Valley 101 explores why visitors prefer ...

Two Arizona landmarks are now on a national list of endangered historic places. There recognition highlights both the ...

Have you ever visited the paraia canyon or vermilion cliffs? There are many different reasons to visit this stunning location ...

Researchers traced some types of meteorites to particular asteroid families, creating a geologic map of meteorite origins. Most meteorites were generated by just a few recent collisions between ...

Interior Department officials are considering scaling back the boundaries of national monuments in the West to encourage ...

While there are plenty of awe-inspiring man-made destinations around the globe, nothing is as creative as nature. From trees that resemble monsters, to colorful sinkholes, towering rock formations ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...