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Artist’s impression of the disk and gas streams around HD 142527

Vote Now! Top Space Stories Of The Week Jan. 6, 2013

Curiosity in Cruise

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The SpaceX Grasshopper rocket

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An ultramassive black hole at the center of an elliptical galaxy.

Vote Now! Top Space Stories Of The Week Dec. 22, 2012

X-37B Space Plane Launches on Atlas 5

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Voyager 1 Explores the 'Magnetic Highway'

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Illustration of the Habitable Exoplanets Catalog

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Mercury's North Polar Regions in Shadow

Vote Now! Top Space Stories Of The Week Dec. 2, 2012

Silver Surfer

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Alien Planet Alpha Centauri Bb

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This visible-infrared image shows an incoming view of Mercury, about 80 minutes before Messenger's closest pass of the planet on Jan. 14, 2008, from a distance of about 27,000 kilometers (17,000 miles). The color image was generated by combining three sep

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Dwarf Planet Makemake in Artist's Rendering

Vote Now! Top Space Stories Of The Week Nov. 25, 2012

Space Junk Orbiting Earth

Vote Now! Top Space Stories Of The Week Nov. 18, 2012

A photo of Mars from NASA's Viking spacecraft, which launched in 1975.

7 Biggest Mysteries Of Mars

Image of Leonids meteor shower over Boulder, CO

Top 10 Leonid Meteor Shower Facts

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