Frigid CrescentNASA’s Cassini spacecraft sees Saturn’s rings and a crescent Enceladus, the planet’s third largest moon. Enceladus’ icy surface hides a global ocean of liquid water, which fuels geysers on its south pole that are just barely visible here.
Photograph by NASA/JPL-Caltech/Space Science Institute

Week's Best Space Pictures: Saturn's Rings and Ice Moon Glimmer

China’s skies grow gray with smog, and the moon’s scars reveal a long-lost Apollo mission rocket.

ByMichael Greshko
December 4, 2015

Feed your need for heavenly views of the universe. This week, a decades-old space mystery gets solved, an environmental disaster colors a Brazilian river orange, and powdery ridges coat the Martian surface.

National Geographic History Magazine

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