Artificial light is upending trees’ ability to use the natural day-night cycle as a signal of seasonal change.
Artificial lights could trick malaria-transmitting mosquito species that feed nocturnally into behaving as if it’s daytime.
Fireflies’ summer evening light shows are a delight for humans, but for the insects they are a crucial mating ritual – and human-caused light pollution is a buzz kill.
Evidence for a link between breast cancer and artificial light appears to be growing. Do studies showing higher risk of breast cancer the farther west a woman lives in a time zone add to the science?