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NASA tests and licenses technology for 3D printed rocket engine nozzles

US Navy fields new 377 foot-long Virginia class Colorado attack submarine

Oceans on Mars could have formed early because of violent volcanic eruptions

Watch: Melania Trump stumbles on White House lawn, Donald Trump catches her

International Day of Happiness: 7 foods to turn your frown upside down

See hundreds of nebulas and galaxies in rare celestial alignment this month

Customer cooks meth in burger shop: Things to know about the drug

Next-gen smoke grenades could cloak soldiers from infrared detection

Volcanic thunder recorded for the first time ever and it sounds epic

Ivanka Trump, Jared Kushner's helicopter returns to airport after engine failure

China preparing to build an intelligent sixth-generation fighter

NASA's Dawn mission finds Ceres geologically active, more than previously thought

Space debris could be removed soon using this giant harpoon by Airbus

NASA releases new image of Crab Nebula by Chandra, Spitzer and Hubble
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