Following stage separation, the rocket's first-stage booster landed atop the SpaceX drone ship A Shortfall of Gravitas in the Atlantic Ocean.

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 ...

Engineers didn't immediately acknowledge the issue during that broadcast, apart from one controller uttering "Whoa," followed by an audible gasp. The company later confirmed a problem occurred late in ...

Live updates from Saturday morning’s SpaceX Starlink 10-34 mission that launched a Falcon 9 rocket from Cape Canaveral Space ...

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

A video of the static fire test showed a large plume of exhaust burning through part of the booster.

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

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

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

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

NASA and Northrop Grumman successfully tested the most powerful segmented solid rocket motor ever created at Promontory Point on Thursday. It will eventually power missions to the moon and beyond.

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