The universe is huge. If you want to get a really good look at it, you need to be in the right place, at the right time.

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our ...

Light pollution is reshaping ecosystems and human health. Discover how dark-sky initiatives protect nocturnal ecology and ...

When a 1994 earthquake knocked out power across Los Angeles, thousands of anxious residents called local emergency services to report a strange, silvery cloud stretching across the darkened sky. What ...

Bart Doudna of Cedar Rapids holds up his sons Cameron Doudna, 5, and Quinn Doudna, 2, while posing for a portrait with a large lighted diamond ring during the Five Seasons Lights at McGrath ...

New research indicates that Artificial Light At Night (ALAN) increases ecosystem respiration, leading to a greater release of carbon from plants, microbes, and animals. This heightened carbon release ...

October evenings find birds across North America reading the night sky as they migrate to their wintering grounds, making the hazards of outdoor illumination a timely topic. Fittingly, the ...

Athol High School senior Om Patel is conducting an independent study on light pollution in the North Quabbin, and the Board of Planning and Community Development is asking residents to complete a ...

New research has revealed for the first time the full extent of how "Artificial Light At Night" (ALAN) is increasing carbon released by plants and animals across continents—without any increase in the ...

Clouds drift past the many channels of the Palo Alto Baylands as the sun sets in this file photo. Photo by Veronica Weber. In an effort to be not only be politically correct but also environmentally ...

Devin Mingesbruney, Ohio Lights Out coordinator, speaks about protecting birds during migration season with light conservation at Wake, Rattle, & Roll with the Lima/Allen Chamber of Commerce on Friday ...