It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

Stefan Kim of SciShow explains why the sky appears blue to human eyes due to ... another kind of scattering may dictate the ...

During the total lunar eclipse early Friday morning, the moon will still be visible in the night sky, but its color will change. Here's when and how to see the Blood Moon.

Apple sent me the 15-inch variant of the new MacBook Air in the new "sky blue" color, with an M4 chip ... For now, though, it appears to be a winner. Stan is a Senior Editor at Mashable, where ...