NASA completed a full fueling and simulated countdown of the Space Launch System rocket at Kennedy Space Center on February 19, 2026, pumping more than 700,000 gallons of cryogenic propellant into the ...

NASA has started the countdown for a second wet dress rehearsal for its Artemis II moon mission, a critical practice run leading up to the planned launch that will send astronauts on a journey around ...

The space agency aims for a wet dress rehearsal of Artemis II after addressing equipment issues. This test determines readiness for a potential March launch.

A successful rehearsal will keep Nasa on track for Artemis III's lunar landing and long-term Moon-to-Mars ambitions.

NASA plans a second wet dress rehearsal for Artemis II on Feb. 19 after replacing a hydrogen system filter, with teams running countdown procedures ahead of a possible March launch window ...