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NASA proceeds with SLS booster stacking in Florida before core stage arrives
NASA ground crews at the Kennedy Space Center are continuing to stack segments of the Space Launch System’s side-mounted solid rocket boosters on a mobile launch platform inside the iconic Vehicle Assembly Building.

NASA’s huge moon rocket faces critical test-firing before first launch
A critical test firing Saturday of the four main engines powering the first stage of NASA's gargantuan Space Launch System moon rocket is the final major hurdle before the fully assembled booster's costly, oft-delayed launch late this year on an unpiloted test flight.
VideoNASA sets mid-January target for SLS hot fire test
NASA is moving forward with a crucial test-firing of the core stage of the first Space Launch System heavy-lift rocket as soon as Jan. 17 after engineers were satisfied with the results of a fueling test last month.

Canadian astronaut to join NASA’s first crewed Artemis mission around the moon
A Canadian space flier will join three NASA crew members on the first piloted flight of the Space Launch System and Orion spacecraft around the moon, becoming the first non-U.S. astronaut on a lunar voyage, officials announced last week.

Lockheed Martin to buy rocket engine-builder Aerojet Rocketdyne
Lockheed Martin, the largest U.S. defense contractor, announced late Sunday that it has reached a deal valued at $4.4 billion to acquire Aerojet Rocketdyne, a supplier of engines to NASA's Space Launch System moon rocket and United Launch Alliance's Atlas, Delta, and Vulcan rockets.

China launches two small satellites for gravitational wave research
Two small Chinese satellites designed to detect gamma-ray bursts associated with gravitational waves launched Wednesday on a Long March 11 rocket, beginning an astrophysics research mission to study black holes and neutron stars.

NASA names 18 astronauts for Artemis moon missions
Eighteen astronauts have been selected -- nine men and nine women -- to begin training for upcoming Artemis missions to the moon, NASA announced Wednesday. The list includes the as-yet-unnamed next man and first woman who will set foot on the lunar surface later this decade.

SLS cryogenic tanking test preps begin this weekend
Final preparations began this weekend at NASA's Stennis Space Center in Mississippi to load super-cold liquid hydrogen and liquid oxygen into the massive core stage of the Space Launch System heavy-lift rocket for the first time as soon as Monday.
VideoInternational Space Station offers ‘blueprint’ for exploration, first crew says
Bill Shepherd, a former Navy SEAL-turned astronaut who arrived at the International Space Station 20 years ago Monday to begin the continuous occupancy of the orbiting research outpost, says the experience gained by NASA and its global partners over the last two decades provides a blueprint for missions to the moon, Mars, and beyond.

Water molecules detected on moon’s sunlit surface, adding impetus to Artemis
Water molecules have been directly detected across sunlit regions of the moon, not just in ultra-cold, permanently shadowed polar craters, scientists announced Monday, indicating the precious resource may be more easily accessible to future astronauts than previously thought.