Why are sunsets red, for that matter? And why is space black? The answer is all about how light interacts with Earth's ...

Just before Hurricane Milton slammed into Florida as a Category 3 storm on Wednesday, many people reported that the sky above them turned a sinister purple hue. A sign of the apocalypse? Well, yes, ...

The sun emits white light, which is a combination of all the colors of the visible light spectrum. That is the spectrum that the human eye is capable of seeing to varying degrees. Blue light tends to ...

Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky? The answers are a little complicated, but they involve the nature ...

Anyone who has ever put an eye to the sky can tell you that it’s blue. It’s a basic fact of life. But what isn’t as obvious is the reason why. With water making up over 70% of the Earth’s surface, a ...

IBS scientists are able to focus on the scattered waves that have interacted with the target and maximize their intensity. A body's complex environment inhibits most of the light waves from reaching ...

Look up on a clear sunny day and you will see a blue sky. But is this the true colour of the sky? Or is it the only colour of the sky? The answers are a little complicated, but they involve the nature ...