In Nevada Barr's new novel "The Rope," heroine Anna Pigeon is tested by darkness – including the kind that lurks in others.
After a beautiful landscape reemerged, a new plan for Lake Powell water usage has taken shape.
Americans give their spare time to help creatures great and small.
Scientists say the beetles released on Southwest riverbanks could tame the water-sucking tamarisk trees.
It's a 50 percent possibility, a new Scripps study finds, which would squeeze water supplies in Arizona, California, Nevada, and New Mexico.