Another factor is at play as it pertains to this springtime haze. Did you know that the high humidity also contributes to the ...

Each of these is an abstract picture of a square blue swath of sky that I take with my phone whenever the sky is clear and I am seized ... I’ve taken these photos at various times of day and ...

Delhi residents are used to looking up to see a hazy, gray sky. Now they're posting pictures of clear blue horizons on social media. The air is typically so polluted that it leaves an acrid taste.

"Fallstreak holes," also known as "hole punch clouds," which were seen Jan. 7 in satellite images from Indiantown through Miami, can punch clear through to show blue sky, or be more opaque ...

On a bright, clear day, the sky stretches above us in a brilliant shade of blue. But have you ever wondered ... NASA's rovers and landers have captured images revealing that Mars experiences ...