Researchers attribute longer urban growing seasons to combined effects of artificial light and urban heat islands.

Light pollution is disrupting nature, and a new study found artificial light even made tree leaves less appetizing to insects. Photograph by Jim Richardson, Nat Geo Image Collection.

At its core, artificial light at night (such as from street lights) masks natural light cycles. Its presence blurs the transition from day to night and can dampen the natural cycle of the moon.

Artificial light: How man-made brightness has changed the way we live and see forever Before the advent of artificial light, humans had to go to bed when the sun went down. Jane Bro.

Artificial light has disrupted people’s sleep and circadian rhythms. KPBS sci-tech reporter Thomas Fudge says it’s also affecting the sleep and behavior of other living things that share our ...

New research shows artificial light can upend underwater communities around coral reefs just like they do on land. (Story aired on All Things Considered on Dec. 30, 2024.) ...