United States
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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