NASA performs first test fire of rocket engine designed to send humans to Mars

 NASA has successfully tested their first RS-25 rocket engine for the agency’s next heavy lift rocket, the Space Launch System (SLS). The SLS, which will use 4 RS-25 engines in its core stage, is designed to take humans to deep space destinations like asteroids or Mars. Thursday’s 500-second hot fire test at Stennis Space Center in Bay St. Louis, Mississippi was the first time one… Read More