As a result, the blue light is scattered in all directions, painting the sky with its signature color. Without an atmosphere to scatter sunlight, like on the Moon , the sky would remain black ...

The sky is supposed to be blue, dammit. I mean, come on. And if it isn't? That's a signal. Earlier this month, a monster Midwestern thunderstorm called a derecho — 60 miles wide, with gusts up ...

The reason we perceive the sky as blue instead of violet is due to the physiology of our eyes, which are more sensitive to blue. Yellow and orange autumn leaves contrast against a bright blue sky ...

Have you ever looked up at the sky and wondered why it’s blue during the day, but glows orange or red during a sunset? It’s one of those everyday wonders we often take for granted. The answer ...

Redder when the Sun sets and rises. Of course, the sky is not always blue. And Rayleigh scattering also explains why the sky tends to be reddish when the Sun is close to the horizon – at sunrise ...

A show at the Blanton Museum of Art set out to consider a world where greenhouse gasses turn the sky orange. Then a burning planet made it a reality. By Annabel Keenan Reporting from Austin, Texas ...

Scientists mix sky's splendid hues to reset circadian clocks In a small study, a novel LED device with alternating orange and blue wavelengths outpaced two other lights in advancing participants ...