If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

If you've been outside shortly after sunset this month, it's likely that you've noticed one, and possibly two, bright points of light in the sky ... to appreciate its color, you'll need a small ...

Jamie Carter is an award-winning reporter who covers the night sky ... a sunset on the moon. That will all change later this year when Firefly Aerospace sends its spacecraft, Blue Ghost, to ...

Although Jupiter and Mars have been dominating the eastern sky, there’s more here ... star — see if you can make out its color, which should appear blue-white, particularly when compared ...