Learn why the sky is blue through the lens of physics and chemistry. Discover the science behind Rayleigh scattering, light ...

The evening sky turned an eerie shade of deep red in eastern Thailand. Stunned villagers witnessed the bizarre cloud phenomenon during the sunset at the Bangsaen Beach, in Chonburi, on September 27.

The red color itself is due to shorter wavelengths of blue and violet light ... such as during sunrise and sunset. On the other hand, the saying "Red sky at night, sailors delight" suggests ...

PHILADELPHIA (CBS) -- After a cloudy and at-times gloomy Saturday, parts of the Delaware Valley were treated to a spectacular sunset and double rainbow at the end of the day. Lots of photos and ...

Normal rainbows are created when sunlight is refracted off a raindrop, separating the various colors from the wavelengths of light into a band of red, orange, yellow, green, blue, indigo and ...

Normal rainbows are created when sunlight is refracted off a raindrop, separating the various colors from the wavelengths of light into a band of red, orange, yellow, green, blue, indigo and ...

From Aldebaran to Vega, these gleaming beacons dazzle Northern Hemisphere viewers at various times of the year and provide a ...

The sky is blue because the white sunlight is scattered by different angles depending on the color (wavelength) of the photon ... giving the sky its hue for most of the day – but at sunset or sunrise, ...

The full “Harvest Moon” will rise high in the sky Tuesday night ... which filters out all blue wavelengths and only allows reddish wavelengths to pass through. What is a Blood Moon?

During a total lunar eclipse, the surface of the full moon takes on a red hue, as Earth’s atmosphere scatters away the blue wavelengths ... writes Bob King for Sky & Telescope.

About 25% of all full moons are supermoons, while only 3% of full moons are considered blue moons ... Rare nova could light up night sky 'any day now,' says NASA. How to be the first to see ...