If city lights block the stars over your backyard, this map can help you hunt down the darkest skies for epic stargazing.

During the course of a 13-second exposure, the International Space Station makes a trail of light in the sky as the station ...

The combination of a blue sky, dark overhead, lighter near the horizon, ... This is why the deepest ocean depths appear a deep, dark blue: because all the other wavelengths get absorbed.

10 Night sky targets to celebrate International Dark Sky Week 2025; This mellow light blue may certainly seem familiar. Depending on where and at what time of the day you look at the sky, ...

The combination of pink and dark blue can make the sky appear a deep purple." In the case of Hurricane Michael and other hurricanes, water droplets, a setting sun, ...