The Secret Behind Light's Journey Through Space Visible light travels in electromagnetic waves, which we see as the colors of ...

It has to do with the way light scatters. By Kenneth Chang To understand how smoke from Canadian wildfires is turning skies in many places orange this week, it helps to first ask: Why is the sky ...

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, ...

When the sun is straight up at noon, you see blue sky because all the other colors in the spectrum up until blue and purple are scattered away. This is known as the Rayleigh effect. We usually don't ...

ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don’t always ...

Video clips and images have been rapidly circulating online that show a strange and vivid sky phenomenon in China. The Claim Over the past couple of days, several video clips and images have ...

For centuries, the saying "Red sky at night, sailor’s delight. Red sky in the morning, sailors take warning" has been used to predict the weather – but is there any truth to it? According to ...