It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

Ithacans willing to brave Friday with a little less sleep could clearly see the March 14 total lunar eclipse in most areas of ...

These particles are often carried into the water ... such as those around many Caribbean islands, can appear light blue or turquoise. This happens because light reflects off the white, sandy ...

Stefan Kim of SciShow explains why the sky appears blue to human eyes due to Rayleigh Scattering, the scattering of light by particles that are much smaller than the wavelength of radiation.