Stefan Kim of SciShow explains why the sky appears blue to human eyes due to Rayleigh Scattering, the scattering of light by ...

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we see only blue, despite it all starting with a rainbow of colors.

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

A total lunar eclipse hasn't happened in years, and won't happen again for a few more, so now's the time to take in the dazzling sight. Here's how.

Texas skywatchers will get a chance to witness the moon turn blood red. On the evening between March 13 and March 14, the ...

A blood moon occurs during a total lunar eclipse when Earth's shadow casts a reddish tint on the moon. This intriguing visual phenomenon arises due to Rayleigh scattering of sunlight. The next ...

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