View from the Grand Canyon's South Rim onto Nankoweap Delta. Remnants of a past natural dam created by a landslide are visible on the far side of the Colorado River, just to the left of the dry bed of ...

WALNUT CREEK, CA — Fans of meteor showers have a doubleheader this week with two shooting star shows—the Delta Aquariids and the Alpha Capricornids—peaking early Tuesday and Wednesday ...