A night sky above a copse of trees on Guirdil Bay on the Isle of Rum in Scotland.Credit... Supported by Photographs by ...

while robbing amateur astronomers—and their children—of faint stars and galaxies lost in the glare. Fortunately, there are solutions that save money and preserve the dark night sky.

Eliana Gorov didn't have to go far from her home in Las Vegas to view the Milky Way with her naked eyes. When she peered through a telescope during Great Basin National Park's astronomy program, she ...