People in New York City and across the northeastern United States woke up Tuesday morning to an unusual sight. Depending on the time, early risers reported witnessing either the moon or the sun ...

“Red sky at night, sailor’s delight. Red sky in morning, sailor’s warning," as the old saying goes. But what about glowing, hazy red skies at both sunrise and sunset? They could be a sign of poor air ...

When parts of Western Australia glowed an eerie blood-red, the images looked almost unreal. But the spectacle was more than a strange weather moment — it exposed how heat, dryness, dust, and a ...

During the summer when wildfire smoke takes over the skies, you’ll often notice the dreary haze during the day. But at night, the sun seems to display extra vibrant colors, making for breathtaking ...

Smoke from Canadian wildfires is again blanketing parts of the U.S. in a thick haze. Midwestern cities like Chicago, Minneapolis, Detroit and Milwaukee posted some of the worst air quality in the ...