Aurora chaser and photographer Harlan Thomas ( @TheAuroraGuy) was about 18.5 miles (30 kilometers) north of Calgary along a ...

Why did the sky turn golden yellow? Could this morning ... the sun’s light was passing through more air and atmospheric particles. Clouds during a storm can enhance the diffusion of sunlight ...

These gases are actually the reason why you see yellow hues when you locate Venus in the night sky ... wavelengths of light. For instance, the sulfuric acid clouds absorb the blue light ...

This month's night sky is filled with close-range meteors, swirling nebulas, and prime stargazing conditions. Here’s when you ...

Sometimes, it even appears green or yellow outside ... the density of a cloud (for example, how much rain is in the cloud), dust in the sky — a combination of all of those factors can determine ...

High level clouds may still make the night sky a little hazier than ideal ... around Indianapolis and surrounding cities are the areas with the worst light pollution. Areas in yellow will have better ...

We had a special treat Wednesday morning due to noctilucent clouds that are rarely seen in the Florida sky. Noctilucent clouds ... shorter blue wavelengths of light. Hence the term "noctilucent ...

green and yellow hues. The sight, which many initially believed to be iridescent clouds or some kind of atmospheric phenomenon, sparked widespread curiosity across the city. Thrilled sky-watchers ...

Light pollution—the needless shining of bright lights into the night sky—has robbed whole generations ... 911 to express alarm about strange clouds hovering overhead; they were seeing the ...