A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.

“Blue wavelengths of light are damaging to many forms of life, and glare from unshielded light compromises road safety and infiltrates bedrooms, suppressing melatonin production, undermining sleep ...

If you’ve been seeing an unusually bright ‘star’ in the sky recently, it’s actually Jupiter, which will shine at its ...

Jupiter is the brilliant evening “star” visible after sunset this winter, peaking in brightness at opposition on Jan. 10, ...

The technicolor Florida sunset had faded into darkness, and my extended family, assembled from two continents and three countries, gathered on the beach at Longboat Key to look at the stars. We were ...

Hoping for a glimpse of the Milky Way? These user-friendly apps help stargazers learn more about objects in the sky, check ...

The rate of human-produced light is increasing in the night sky by as much as 10% per year, making it difficult for astronomers to study the night sky. When you purchase through links on our site, we ...

The Orionids meteor shower, which is considered to be one of the most beautiful showers of the year, could light up the sky with shooting stars through most of next month. NASA said the Orionids peak ...

The night sky in the nation's capital will light up with fireworks, and the Washington Monument will dazzle with a light show ...