NASA's Reactive Additive Manufacturing for the Fourth Industrial Revolution (RAMFIRE) project test-fired a 3D-printed engine ...

In response to a query from Ars about the engine test anomalies, Rocket Lab Chief Executive Officer Pete Beck downplayed concerns.

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.

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 ...

If the fueling test goes well, the Artemis II flight around the moon and back could take off as early as Feb. 8.

NASA ran into exasperating fuel leaks during a make-or-break test of its new moon rocket Monday, calling into question how soon astronauts could take off for a trip around the moon.

NASA is fueling its new moon rocket in one final make-or-break test before sending astronauts on a lunar fly-around ...

CAPE CANAVERAL, Fla. -- NASA said Tuesday it will now target a March launch of its new moon rocket after running into exasperating fuel leaks during a make-or-break test a day earlier. The space ...

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

In a significant setback for NASA's Artemis program, the agency encountered a fuel leak during a crucial countdown rehearsal for its new moon rocket. This incident raises questions about the timeline ...