SLS
SLS core stage ready for Green Run test firing
NASA officials expressed confidence that a key test of the Space Launch System scheduled for Jan. 16 will go well, keeping open the chances that the vehicle will make its long-delayed debut before the end of the year.
NASA to conduct SLS static-fire test in mid-January
NASA plans to complete the Green Run test campaign for the Space Launch System core stage with a hotfire test scheduled for mid-January.
SLS Exploration Upper Stage passes review
An upgraded upper stage for the Space Launch System rocket has passed a major review, allowing its prime contractor, Boeing, to start producing hardware.
NASA receives $23.271 billion in fiscal year 2021 omnibus spending bill
Congress will provide NASA with nearly $23.3 billion in the final fiscal year 2021 omnibus spending bill, restoring several science programs but falling far short of the funding sought for a lunar lander program.
Latest SLS core stage test issues leave little margin in schedule for first launch
The latest in a series of delays in a test campaign for the core stage of the Space Launch System now leaves “very little margin” in the schedule for its launch next November, NASA managers said Dec. 10.
White House asks Congress to remove Europa Clipper SLS requirement
The White House is asking Congress to remove language from an appropriations bill that would direct NASA to launch the Europa Clipper mission on the Space Launch System as a long-running dispute on how to launch the mission nears its conclusion.
Weather and technical problems further delay SLS Green Run test
A critical test of the core stage of the Space Launch System is facing another delay, this time because of a combination of weather and technical issues that may push back the test to the end of the year.
NASA and Northrop Grumman test SLS booster
NASA and Northrop Grumman successfully tested Sept. 2 a solid rocket booster developed for the Space Launch System that incorporates improvements intended for future SLS missions.
NASA increases cost estimate for SLS development
NASA has increased the cost estimates for the Space Launch System and its ground systems to the point where a formal congressional notification is required.
NASA hopeful SLS Green Run test remains on schedule
Despite a weather-related pause in testing work, NASA still hopes to complete the Green Run test of the Space Launch System core stage in October, keeping its first launch on track for late next year.
Compatibility issue adds new wrinkle to Europa Clipper launch vehicle selection
A long-running debate about how to launch a multibillion-dollar NASA mission to Jupiter is now further complicated by potential technical issues involving one of the vehicles.
NASA still grappling with effects of coronavirus pandemic
Four months after closing centers because of the coronavirus pandemic, NASA has been able to keep its highest priority missions on track, even as others have suffered delays.
