"In most U.S. states, parking within 20 feet of crosswalks is prohibited. Known as 'universal daylighting,' this is primarily ...

Content warning: Discussions of suicide and murder. Park rangers are essential to keeping our national parks safe, beautiful, ...

A coronal mass ejection hurtling from the sun toward Earth could trigger a geomagnetic storm, making the northern lights visible in up to 18 US states ...

Americans are losing their starry views to light pollution. But some communities are make lighting decisions to help preserve ...

The biggest effect of everyone turning lights on at once would be a surge in demand for electricity, which most people worldwide use to operate their lights.

Where there’s lightning, a crash of thunder isn’t far behind. If a storm has passed and the sun has returned, it can make ...