A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

Sometimes the light runs right into one of them. In short, the sky looks blue because the blue portion of sunlight is much more likely to bounce off the molecules in the atmosphere than the ...

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

In the U.S., about 19 states have laws limiting light pollution, and Texas has laws governing lights around military bases — but most areas have limited requirements. Dark Sky International says ...

Unlike midnight, which is considerably darker, sky blue is a much lighter shade of blue. Apple describes the new color as a “beautiful, metallic light blue that creates a dynamic gradient when ...

He is also a Science Advisor to the Good Light Group ... are highly sensitive to blue light. This is likely because we evolved to see the natural bright blue sky during the day, rather than ...