A NASA test to confirm repairs to seals in the SLS’s liquid hydrogen fueling system was only partially successful because of problems with ground equipment.

In the early hours of February 2, with more than 700,000 gallons of cryogenic propellant flowing into the Space Launch System at Kennedy Space Center, a sensor flagged what mission controllers were ...

NASA vs SpaceX rockets compared on cost, technology, and performance, revealing how reusability and innovation reshape modern spaceflight missions.

The activation helped obtain critical data that will support the testing of the new exploration upper stage for Artemis IV.

There’s probably a month or so left until the Artemis II mission gets going, sending humans to the Moon for the first time in more than half a century. The hardware tasked with accomplishing the ...

On Monday, after rolling the SLS rocket to be used for the Artemis II mission to the pad in January, NASA attempted its first ...

A water system activation at the Thad Cochran Test Stand (B-2) on Jan. 30 at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, helped capture critical data to support testing a new SLS ...

NASA muscled through familiar headaches Monday at Kennedy Space Center during a critical tanking test dealing with liquid ...

HANCOCK COUNTY, Miss. (WLOX) - NASA and L3Harris Technologies successfully conducted a full-duration hot fire test of a second RS-25 engine at Stennis Space Center in Hancock County. The engine will ...

NASA Artemis 2 mission after encountering hydrogen leaks during a fueling test of the Space Launch System. The Space Launch ...

NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo. The agency’s new era of spaceflight comes with a few parts from its past, ...