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

While the fate of NASA’s Space Launch System (SLS) rocket hangs in the balance, the agency is pushing ahead with tests of new ...

Northrop Grumman saw some fiery drama during a test of a more powerful version of the solid rocket booster that would be used if NASA’s Artemis program ever gets to its ninth launch using ...

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

A test of a new rocket motor for NASA’s future moon missions went awry this week, with the full-size booster hurling a ...

NASA followed last week's low-key engine test with the test-firing of a solid-fueled booster at Northrop Grumman's rocket ...

The new booster is is scheduled to launch on the ninth Artemis lunar mission in the 2030s — but there's a chance that it will ...

Still, Isar became the first in a new crop of European launch startups to launch a rocket theoretically capable of reaching ...

A new version of the solid rocket booster being developed for the Space Launch System experienced an anomaly during a test ...

PROMONTORY, Utah—Northrop Grumman and NASA on June 26 conducted the first test of its Booster Obsolescence Life Extension ...

PROMONTORY, Utah — NASA will conduct the first full-scale test of its most powerful solid rocket booster motor Thursday, ...

Late last month, Firefly announced that Northrop Grumman has invested $50 million into accelerating the development of the ...