Birds like this western meadowlark are singing earlier in the morning and later at night thanks to light pollution. Light pollution is causing non-nocturnal species of birds to sing for 50 additional ...

What if a simple change in your morning light exposure could help you sleep better? Our sleep patterns change across our lifespan, and, as we get older, we tend to have difficulty getting a good night ...

As daylight diminishes people can feel their mood dimming. Experts say starting light therapy in the fall can help fend off winter depression. As the days get shorter, many people may also find their ...