The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

NASA ran into a leak while fuelling its new moon rocket Monday in one final make-or-break test that will determine when ...

NASA has been forced to delay a critical fueling test for its Artemis 2 moon rocket due to unusually cold weather forecasted ...

NASA begins Artemis II wet dress rehearsal, fueling the SLS and Orion ahead of a possible Feb. 8 launch window.

NASA successfully conducted a hot fire of RS-25 engine No. 2063 on Jan. 22 at the Fred Haise Test Stand at NASA’s Stennis ...

CAPE CANAVERAL, Fla. (AP) – NASA ran into exasperating fuel leaks during a make-or-break test of its new Moon rocket Monday, ...

NASA conducted a test of its newly redesigned RS-25 engine for future flights of the Space Launch System (SLS) rocket.

At Stennis Space Center, NASA conducted another successful hot fire test of an RS-25 engine at the Fred Haise Test Stand.

Temperatures dropped into the 20s over the weekend, yet NASA teams are hard at work preparing for the historic Artemis II ...

NASA successfully conducted a hot fire of RS-25 engine No. 2063 on Jan. 22 at the Fred Haise Test Stand at NASA’s Stennis ...

NASA last sent astronauts to the moon during the 1960s and 1970s Apollo program. The new Artemis program aims for a more ...

NASA tested a Space Launch System rocket RS-25 engine at the Stennis Space Center. Credit: NASA Stennis Space Center ...