A swirling blue light has been seen in the sky which has been linked to Elon Musk's latest rocket launch with people 'never ...

Light, especially blue-enriched light (which has a higher ... to fall asleep and having more restless nights. This could be explained by the alerting effects of light and suppression of the ...

Some of those colors are explained with physics ... first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when it passes through the atmosphere.

Experts said that the unusual sight was caused by frozen fuel from a SpaceX Falcon 9 rocket, which launched for the NROL-69 ...

To make matters worse, modern society's electric light and bright screens at night trick our body clock into thinking it is still seeing daylight.

whether it's pulsing in your veins or gushing from a wound. Skin scatters more blue light than red. The effect is amplified even more by an optical illusion. Skin around the vein looks more red ...