The imaging team of NASA's Perseverance Mars rover took advantage of clear skies recently to capture one of the sharpest ...

Apple’s iPhone 17 Air is expected in four colours, with Sky Blue likely the favourite. A dummy model video shows its ...

Children have a magical way of looking at the world. They ask questions that adults might have stopped wondering about years ...

A new video shows the iPhone 17 Air in Sky Blue, revealing its ultra-thin 5.5mm design compared to the iPhone 16 Pro.

Apple’s iPhone 17 Air is expected to be available in a beautiful Sky Blue color finish, and a new dummy model video shows off the look.

In actual fact, the sea is blue for similar reasons as the sky. When sunlight hits the ocean, the colours with longer wavelengths, red, orange, yellow and green, ar absorbed so that blue is left over.

Put these three things together, and a blue sky is inevitable. Here's how it all comes together. Light of many different wavelengths, not all of which are visible, are emitted by the Sun.

That’s what we see when we look up at a blue sky. The light – especially the blue light – is splattered and scattered so much that wherever we look, we see a blue glow.

The blue and green light is scattered so well that you can hardly see it. The sky is colored, instead, with red and orange light. Colors mean a lot to us in so many different ways.

Adding white But the daytime sky isn’t the same blue all over. You're more likely to find the Dulux bright skies color closer to the horizon, where the blue is more washed out or lighter.