Light pollution is a man-made problem caused by the excessive use of artificial lights, especially at night. These lights can disrupt natural sleep cycles, waste energy, and even mislead migratory ...

Peggy Singlemann visits astronomer Kelsey Johnson at UVA’s Morven Sustainability Lab to learn how light pollution impacts plants and wildlife. Featured on VHG episode 2507, September 2025. Virginia ...

Earth's satellite problem is only getting worse as time goes on and more satellites are sent into orbit. One of the chief issues with the number of satellites in orbit is how much they can affect our ...

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 ...

As private companies launch vast networks of satellites into low Earth orbit (LEO), the astronomical community faces an increasing challenge: light pollution. With more than 14,900 satellites already ...