Space Launch System
Latest about Space Launch System
![Full moon shines on Artemis I Space Launch System (SLS) and Orion spacecraft](https://cdn.mos.cms.futurecdn.net/MQwK4xpRwcS4Rn7BvKRDb-320-80.jpg)
Artemis Program: NASA's plan to send humans back to the moon
By Adam Mann last updated
Basic information about the Artemis program's Space Launch System and Orion capsule.
![NASA's first Space Launch System core booster ignites its four main engines at the Stennis Space Center near Bay St. Louis, Mississippi on Jan. 16, 2020. Expected to last 8 minutes, the test lasted just over 1 minute.](https://cdn.mos.cms.futurecdn.net/apKRa7yfVKRkJ5fFA4hQ6f-320-80.jpg)
Critical engine test for NASA's Space Launch System megarocket shuts down earlier than planned
By Amy Thompson last updated
NASA fired up the core stage of its massive new megarocket Saturday (Jan. 16) in a critical test that appeared to shut down early.
![Artemis I Space Launch System (SLS)_NASA/Glenn Benson](https://cdn.mos.cms.futurecdn.net/mfcTQFw869WKB2ZHtCiVG8-320-80.jpg)
NASA's 'Mega moon rocket' test resumes. Why were so many details about it kept secret?
By Adam Mann last updated
Experts dismiss NASA's reasons for being secretive about wet dress rehearsal of its major moon rocket.
![The sunrise casts a warm glow around the Artemis I Space Launch System (SLS) and Orion spacecraft at Launch Pad 39B at NASA’s Kennedy Space Center in Florida on March 21.](https://cdn.mos.cms.futurecdn.net/VbHV7mu9s4KbH95cr8oQn4-320-80.jpg)
NASA is counting down to the 'wet dress rehearsal' for its 'Mega Moon Rocket'
By Mindy Weisberger last updated
Critical prelaunch tests for the Artemis I moon mission, known as a "wet dress rehearsal," are scheduled to begin on April 1 and continue through April 4.
![The Space Launch System's engines wobbled dramatically during the static fire test, but did not trigger an abord. A small fire is visible in the upper right corner, where NASA says some tape ignited.](https://cdn.mos.cms.futurecdn.net/5DXmuLuZna2SqUt6j5R9rJ-320-80.gif)
NASA tested its new moon rocket in Mississippi, and it only caught on fire a little bit
By Rafi Letzter published
NASA conducted its second major test of its powerful new moon rocket, the Space Launch System, and it was mostly a success.
![This image shows liquid hydrogen in the rocket core stage of the Space Launch System as it is safely vented and burned as it naturally warms and boils off during a rehearsal of a countdown to hot fire of the stage’s engines on Dec 20, 2020.](https://cdn.mos.cms.futurecdn.net/JhsY4YxcuPYXwmbhathdoa-320-80.jpg)
Watch NASA test the world's most powerful rocket ever on Saturday
By Rafi Letzter published
NASA is going to light up the most powerful rocket it's ever built Saturday (Jan. 16), though it won't go anywhere.
![The Space Launch System sits in the middle of NASA's heavy-duty B-2 Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi.](https://cdn.mos.cms.futurecdn.net/qPZEYaMBLHtfbk5twV5TtL-320-80.jpg)
NASA will soon fire up the most powerful rocket ever built
By Rafi Letzter published
NASA plans to ignite an absolutely mammoth rocket on Jan. 17, the largest it's built since the Apollo program
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