Advocates for limits on indiscriminate outdoor lighting that are increasingly obscuring night skies worldwide are recognizing efforts by an oil and natural gas developer to reduce scattered light in ...

An alignment means multiple planets are all visible in the sky from Earth. Three to eight planets constitutes an alignment.

Light pollution—the needless shining of bright lights into the night sky—has robbed whole generations of the chance to see nature on its largest scale. It is estimated that as many as eighty ...

For most of January, four of the eight planets in our solar system (sorry, Pluto) will be visible if the sky is clear enough ...

The rising glow in the night sky is of particular ... The flip side is that without some requirement for companies to address ...

which can dole out an official Dark Sky park status. Only the clearest night skies, unimpeded by light pollution, are allowed the honorable IDA-certified title. Over half of the 50 US states have ...