On a clear, sunny day, the sky above us often glows a brilliant blue, a sight so commonplace that many of us rarely stop to question why. While this natural phenomenon might seem simple to explain ...

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 ...

Towards the horizon, the sky appears to be a shade of lighter blue or white. The sunlight that reaches the human eye from the horizon passes through much more air than the sunlight reaching us ...

Design consultancy PSD Associates has rebranded Blue Sky Consulting, a contact and training consultancy that lists Thomas Cook, Eurostar and Powergen among its clients. Printed material and stationery ...

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 ...