Light pollution, defined as the improper use and overexposure to artificial light at night, has emerged as a significant global environmental issue with far-reaching consequences. Research shows that ...

How dark is the night sky where you live? If you’re in an urban area, the answer will likely be “not dark at all”. The pervasiveness of artificial light – be it in the form of streetlamps, billboards, ...

More than 80 percent of people in North America and Europe can no longer see the Milky Way from home, yet the brightest objects in the sky remain stubbornly visible even through heavy urban light ...