Not surprisingly, Congress is pushing back against the Trump administration’s proposal to cancel the Space Launch System, the behemoth rocket NASA has developed to propel astronauts back to the Moon.

The Exploration Upper Stage is intended for use on the Block 1B version of SLS starting with Artemis 4. Credit: NASA LAS VEGAS — House appropriators want NASA to examine alternatives to a new upper ...

NASA's plagued Space Launch System rocket, which is being developed to deliver the first astronauts to the Moon in over half a century, is on thin ice. According to Ars Technica senior space reporter ...