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

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a British scientist who first wrote about it in 1871. The white appearance of sunlight reaching the ...

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

Mark your calendars for the rare total lunar eclipse, as the Moon, Earth, and Sun align to create one of the most ...

I t happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a British scientist who first wrote about it in 1871. Light breaks over the horizon at sunrise ...

an effect known as Rayleigh scattering. The lunar eclipse will begin at 2:26 a.m. local time in New York during the early hours of March 14, hitting its maximum at 2:58 a.m., before ending at 3:31.