• August 13, 2015
NASA completed the sixth and next-to-last test firing of its RS-25 engine Thursday in Mississippi. Four RS-25 engines power the Space Launch System core stage.
• August 12, 2015
The Planetary Society will be at NASA's Stennis Space Center this Thursday for the sixth test firing of the RS-25 engine, which powers the Space Launch System.
• July 17, 2015
The GAO says NASA is generally doing a good job with cost and schedule estimates for SLS, its new heavy lift rocket. But NASA is also running short on schedule margin as it works to have SLS ready for flight by November 2018.
• June 22, 2015
At Kennedy Space Center, NASA's ground systems program prepares for the first flight of the Space Launch System in 2018.
• March 20, 2015
A report released by NASA’s Office of Inspector General warns that the agency may be hard-pressed to have its Kennedy Space Center launch facilities ready by November 2018.
• March 11, 2015
A blast of fire and smoke lit up the hills of Promontory, Utah this morning as NASA and Orbital ATK completed a test firing of a Space Launch System solid rocket booster.
• March 10, 2015
With NASA and Orbital ATK preparing for an important test tomorrow in Utah, an SLS engineer describes the inner workings of the vehicle's new solid rocket boosters.
• February 03, 2015
NASA will set the Space Launch System's inaugural flight date at the end of this year, according to the agency's 2016 budget request, which was released on Monday.
• January 09, 2015
NASA completed a 500-second test firing of the RS-25 engine, which will power the core stage of the Space Launch System.
• November 20, 2014
On the surface, NASA's humans to Mars plans seem vague and disjointed. But that's because the agency is playing the long game. Right now, it may be the only game they can play.
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