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Dominating this image is part of the gigantic nebula Gum 56, illuminated by the hot bright young stars…

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Self-healing material could plug life-threatening holes in spacecraft
For astronauts living in space with objects zooming around them at 22,000 miles per hour like rogue super-bullets,…

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Stark Beauty of Supersonic Shock Waves
Using a massive update to a 150-year-old German photography technique, NASA and the United States Air Force recently…