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.

NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

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

The small rocket and capsule have been flying since April 2015 and have combined to make 38 launches, all but one of which ...

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

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 ...

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