Have you ever looked up at the sky and wondered why it’s blue during the day, but glows orange or red during a sunset? It’s one of those everyday wonders we often take for granted. The answer ...

Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...

The fluctuating layer of smoke in our atmosphere meant that the expected blue skies in the evening and morning have taken on more of a dirty orange or milky white hue. The sun has also appeared as a ...

MINNEAPOLIS — If you looked out your window on Tuesday night, you couldn't miss the dramatic oranges and reds that colored the evening's sunset. But why did the sky turn such a striking hue ...

Reisman said the visually orange sky brought about the end-of-the-world feeling because it was irrefutable proof that something was wrong. “It didn’t feel right for a normally blue sky to look ...

Red sky and thick smoke are seen in Salem City, Oregon. ZAK STONE/via REUTERS People walk by the Pacific Ocean coast as smoke from wildfires covers an area near Seal Rock, Oregon, on September 8 ...

Mars and Regulus will light up the night sky in a rare celestial display from the Red planet and icy blue star ...

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

The sky over England appeared to glow orange and yellow today in a strange phenomenon caused by Storm Ophelia. Hundreds of people marvelled at the bizarre sight which lit up London in sepia and ...