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

Understanding why the sky is blue reveals a story of light ... the process known as Rayleigh scattering. Named after the 19th-century British physicist Lord Rayleigh, this scattering is more ...

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 ...