Why is the sky blue on Earth, yet space appears pitch black? This video uncovers the science behind one of nature’s most ...

SEATTLE — Seattle Art Museum's newest commission has visitors cloud gazing inside their lobby. The large-scale installation ...

Saginaw Blue sky provides hope behind gray clouds of economic woe Published: Apr. 28, 2009, 4:38 p.m. By Bill Cornish | The Saginaw News ...

Night sky photographer Ruslan Merzlyakov captured bright blue-white noctilucent clouds dancing over Nykøbing Mors in Denmark just before dawn on July 1.