Engineers and technicians at NASA’s Michoud Assembly Facility in New Orleans have structurally mated the first of four RS-25 engines to the core stage for NASA’s Space Launch System (SLS) rocket that will help power the first Artemis mission to the Moon.
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Vice President Mike Pence delivers remarks during the opening ceremony of the 70th International Astronautical Congress.
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NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station with fellow NASA astronaut Jessica Meir
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In 1572, Danish astronomer Tycho Brahe was among those who noticed a new bright object in the constellation Cassiopeia.
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NASA astronaut Christina Koch works while tethered near the Port 6 truss segment of the International Space Station.
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