NASA loaded cryogenic propellant into the Space Launch System rocket and Orion spacecraft for a second time on February 19, ...

NASA took another crack at fueling its giant moon rocket Thursday after leaks halted the initial dress rehearsal and delayed ...

The soonest the astronauts could blast off is March 6.

NASA's second attempt to run a "wet test" of the Space Launch System (SLS) for its Artemis II mission was successful. Following a failure of some seals during the first attempt earlier this month, ...

NASA is fueling its new moon rocket in one final make-or-break test before sending astronauts on a lunar fly-around. The launch team began loading the 322-foot rocket with super-cold hydrogen ...

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

NASA's Artemis 2 Space Launch System rocket begins wet dress rehearsal fueling test at Kennedy Space Center, preparing for the mission to carry astronauts around the Moon.

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.

The small rocket and capsule have been flying since April 2015 and have combined to make 38 launches, all but one of which were successful, and 36 landings. In its existence, the New Shepard program ...

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 ...

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 ...