The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

Pink sky: Why did the clouds above Wales change colour? As light interacts with particles in the atmosphere, it gets bounced around and scattered, enabling us to see certain colours more vividly.

Tuesday, NBC5 News viewers submitted unedited pictures of a pink winter wonderland from Weed, California. According to ...