Artificial light at night also makes guppies more courageous during the day, according to a new behavioral study. Artificial light at night also makes guppies more courageous during the day, according ...

New research suggests that exposure to artificial light at night causes guppies to engage in riskier behavior during the day, and that could put them in danger. An animal’s environment is not just ...

The Arctic polar night remains one of the last undisturbed dark environments on the planet. But as the climate changes and human activities increase in the Arctic, natural light sources — such as the ...

Exposing fish to artificial light at night, not only made fish more active during the night, but also made them emerge quicker from hiding places during the day, which could increase their exposure to ...