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 ...

Light pollution is increasing globally, obscuring stars and impacting human and wildlife health. A coalition called Lights Out Wisconsin formed in 2025 to raise awareness and reduce light pollution.

The University of Cyprus announced on Tuesday that the measures needed to protect sea turtles are the same as those required to tackle the climate crisis, as conservationists expedite efforts to ...

For much of human history, the rhythms of daily life were dictated by the sun — when to wake, when to work and when to sleep. But that all changed in the 19th century with the advent of electric light ...