The sky looks blue because blue light scatters more than other colors when sunlight hits the atmosphere. This scattering ...

In August 1831, reports also emerged from around the world – including China, Europe, the US, and the Caribbean – of the Sun ...

Researchers have discovered the origins of a 200-year-old volcanic eruption that ejected so much sulfur into the atmosphere that it changed the climate and made the sun look blue. In 1831 ...