As the sun dipped low to the southwest of the Grand Canyon, tourists flocked to the rim. They lined up to catch the shuttle ...

The best times to visit the Grand Canyon are March through May and September through November, when daytime temperatures are cool and crowds are thin. If you decide to visit during the summer (the ...

You can explore the stars, planets, and the Milky Way Galaxy, all from Spring Canyon next week, when park rangers will offer ...

As the sun dipped low to the southwest of the Grand Canyon, tourists flocked to the ... This pervasive artificial glow obscures stars and the constellations they form. It hides our galaxy, the ...