CHICAGO — Light pulses from outside a monkey’s brain can activate nerve cells deep within. This external control, described October 20 at the annual meeting of the Society for Neuroscience, might ...

Scientists analyzed new measurements showing that the light emitted by stars outside our galaxy is two to three times brighter than the light from known populations of galaxies, challenging ...

Last weekend, we launched Daylight Saving Time, when we turned our clocks one hour forward to take advantage of more light during our waking hours. But clocks don’t make the days shorter or longer – ...

SUMMER time sleeping can be difficult as the early morning and late evening sunshine can cause disaster with our sleep schedules. But don’t fret – there are plenty of top tips you can follow – and you ...

We’ve spent decades bathed in the glow of artificial light, but it’s only recently that we’ve started to realize our bodies are naturally tuned to the sun, and exposure to the fake stuff can throw off ...

Scientists analyzed new measurements showing that the light emitted by stars outside our galaxy is two to three times brighter than the light from known populations of galaxies, challenging ...

Because of the linear nature of light attenuation of sunglasses vs. the logarithmic response of the eyes, you actually see better relative to unshaded vision, the darker it gets. If the foregoing is ...