NASA study finds first SLS launch should be unmanned for safety
The cost of adding astronauts to a maiden voyage is prohibitive.
NASA pushes first launch of its Mars rocket to 2019
Not a surprise, but it gives SpaceX time to catch up.
Watch NASA's Mars rocket tests in 360-degree video
From the "flame trench," the SLS motor spews smoke, fire and steam.
New NASA budget focuses almost exclusively on space
The agency gets more money, but the future of Earth science programs is in doubt.
NASA wants to send humans aboard the first SLS flight
It could accelerate the timeline of sending humans back to the moon and to Mars.
NASA dominated space and social media in 2016
The space agency was a big winner despite funding woes.
NASA seeks public input on how to cut SLS and Orion costs
You'll have to send your suggestion before December 23rd.
NASA details preparations for SLS' and Orion's first flight
The agency has been subjecting both capsule and rocket to rigorous tests.
NASA wants the industry's ideas for deep space habitats
Astronauts need to live somewhere on their trip to Mars.