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

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

When the Sun is near the horizon, its light passes through much more of the atmosphere to reach the Earth's surface than when ...

Multiple Scattering Directions – Scattered blue light reaches our eyes from all directions, making the sky appear blue. Sunset and Sunrise Effect – During sunrise and sunset, sunlight passes through ...

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.

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.

The sky isn't just blue by chance. It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after ...

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 ...

The sky appears blue because the blue portion of sunlight scatters more effectively when it passes through the atmosphere, a phenomenon known as Rayleigh scattering, discovered by physicist Lord ...