WASHINGTON — From crimson leaves to golden fields and coppery hills, Mother Nature is known to put on a show during the fall months. If you look up and notice a bluer-than-average sky, your eyes ...

Earth is famous for its blue skies. It gets it blue skies through an effect known as Rayleigh scattering. When light from the Sun collides with an air molecule, it is scattered. The closer the ...

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The skies over Japan turned a deep purple last week ahead of the arrival of Typhoon Hagibis. The powerful storm pounded central and northern prefectures over the weekend. Villages along more than 20 ...

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Less than 24 hours after the end of China’s massive military parade, Beijing is back to its usual smoggy self. Residents woke up Friday morning to find the crystal blue skies that graced the city ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Daniel Brown, Lecturer in Astronomy, Nottingham Trent ...