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THIS is the most definitive photo collection of Comet 67P

After 12 years of travel to Comet 67P some 300 million miles away, the Rosetta’s…

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WATCH: Look at this live-streaming video of the earth from the ISS courtesy of NASA

The High Definition Earth Viewing (HDEV) experiment consists of four cameras that have been attached…

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This is the clearest picture ever taken of the planet Mercury

This colorful view of Mercury was produced using images from the color base map imaging…