Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...
An astronaut from the Expedition 30 crew captured this stunning nighttime image, highlighting a vast stretch of the eastern Atlantic coastline of the United States. One of the Expedition 30 crew ...
Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky.
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