The nozzle liberated energetically from the motor around 10 seconds before the burn ended, and there appeared to be some ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

An upgraded version of one of the solid rocket boosters being used for NASA's Space Launch System (SLS) experienced an ...

We're talking about it now because Northrop Grumman just finished this motor segment of the Block 2 SLS, and it understandably seems to be very proud of it.

Despite the White House's desire to cancel the Space Launch System, the Artemis program's primary launch vehicle, NASA ...

Without SpaceX China would have caught up to NASA in 2030 with Long March 9 matching SLS block 2. July 4, 2018 by Brian Wang. By 2030, China wants to build the Long March-9 rocket to carry 140 tonnes ...

In parallel with beginning test flights of the initial Block 1 vehicle, the program and element offices are also developing their parts of the next-generation SLS vehicles, Block 1B and Block 2.

NASA eventually plans to build a Block 2 version of the SLS feature advanced strap-on boosters with a liftoff thrust of 9.2 million pounds. More from CBS News.

Work for now continues daily at Kennedy Space Center on a new mobile launch tower that has already cost more than $1 billion. But the Artemis moon mission it is intended to serve may never happen ...

NASA schedules now call for three flights of the SLS Block 1, starting with Exploration Mission (EM) 1. That will be followed by EM-2, the first crewed mission, in 2021, and a “cargo” mission ...

According to Ars Technica senior space reporter Eric Berger's insider sources, there's an "at least 50-50" chance that the rocket "will be canceled." "Not Block 1B. Not Block 2," he added ...

A budget proposal released on May 2 includes not only cuts to NASA's science budget, but an early end to its SLS moon rocket.