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US Space Force's new deep space radar tracks multiple satellites 22,000 miles away in key test
China's moon lander passes key test | Space photo of the day for Aug. 13, 2025
NASA's Europa Clipper radar passes key test during Mars flyby
Why quantum computers may continue to fail a key test
SpaceX fuels up Starship megarocket in key test ahead of 6th test flight (photos)
Space-based solar power may be one step closer to reality, thanks to this key test (video)
NASA fires up powerful Artemis moon rocket engine in key test (video)
SpaceX fuels up Starship in key test ahead of 2nd-ever flight (video, photos)
SpaceX Starship engine passes key test for Artemis 3 moon-landing mission (video)
