So the sky isn’t blue, at least not always. It is a glow-in-the-dark night sky too, colored a mix of green, yellow, and red. Its colors result from scattered sunlight, oxygen, and sodium from ...

Sunlight appears white, but in reality, it is made up of seven colors (violet, blue, sky blue, green, yellow, orange, red), which we call spectrum. When this light enters the earth's atmosphere, ...

If you are outside and you notice the sky taking on a green hue, you might want to consider seeking shelter immediately. It's important to know about tornadoes and top tips for staying safe when ...

Although you can spot many colors of stars in the night sky, purple and green stars aren't seen because of the way humans perceive visible light. Stars are a multicolored bunch. There are red ...