Ever gazed up on a bright day and wondered why the sky isn’t green, purple, or pink, but a vivid blue? The answer lies in how sunlight interacts with Earth’s atmosphere, creating a daily spectacle of ...

From the huge smoke plume seen from the LA wildfires to a new sweeping view of Earth, these space images will give you a new ...

First, let's explain why we see the color blue in the sky as opposed to other colors. The sun actually emits a 'white' light ...

Like the colors on the leaves, the sky also changes color with the seasons. In the winter, the sky has more of a blue hue. But in the summer, it looks milky white, even when free of clouds. Why is ...