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 ...

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 ...

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 ...

Artemis 2, or Exploration Mission 2 (EM-2), as it was called at the time, was originally slated to fly on an SLS Block 1B rocket, a larger upgraded version of the SLS used for Artemis 1, which ...

Long-time advocate of SLS rocket says it’s time to ... payloads to the Moon—up to about 45 metric tons to 'trans-lunar injection' which is about the same performance as the SLS Block 2," Pace ...

"Our analysis shows a single SLS Block 1B will cost at least $2.5 billion to produce—not including Systems Engineering and Integration costs—and NASA’s aspirational goal to achieve a cost ...

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.

An artist rendering of crawler-transporter 2, with the mobile launcher 2 and Space Launch System (SLS) Block 1B atop, as it makes its way to Launch Pad 39B in preparation for liftoff.