The sky appears blue because shorter blue light waves scatter more than other colors when sunlight hits the atmosphere. Tap to read in detail.

The Winter Solstice, or the December Solstice, is the point at which the path of the sun in the sky is farthest south. At the Winter Solstice, the sun travels the shortest path through the sky ...

February began on Saturday in D.C. under blue skies on a breezy and slightly chilly day that may have been the brightest here ...

Due to the different wavelengths correlating to the colors of the rainbow, the colors typically go from red (closest to the sun) to blue ... winter months. If you ever see a sun dog in the sky ...

During autumn and winter, the sun sits lower in the sky, causing its light to pass through more of the Earth's atmosphere. This increased distance scatters shorter wavelengths of light (blue and ...