At 10:23 a.m. EDT (1423 GMT) today (Aug. 27), the countdown clock began ticking down to the planned launch of NASA's Artemis 1 mission, an ambitious first flight to the moon by the agency's most ...

NASA started its countdown clock Saturday for the launch of Artemis 1, an uncrewed test flight around the moon that is a first step in an ambitious program to bring humans back to the moon for the ...

NASA has begun the countdown for the launch of its brand new mega moon rocket, the Space Launch System, marking the start of the uncrewed Artemis I mission to the moon.

The countdown officially started at 9:53 a.m. on Saturday, according to a tweet from NASA’s Artemis account. The countdown started once the launch teams arrived at their stations at the Kennedy ...

The countdown is the first for launch operations at LC-39B since Ares I-X’s only mission on October 28, 2009, and marks the first in a series of three NASA-led missions to return humanity to the ...

With this bit of masking, the NASA launch team was able to get from T-10 minutes all the way down to T-29 seconds and demonstrate the ability to not only fill the SLS rocket but also keep its fuel ...

Artemis I managers convened Monday afternoon to review the status of countdown operations as well as two open technical items, and gave a “go” to proceed toward launch Wednesday, Nov 16. The ...

"The simulated launch countdown tested the responses" from these two systems, NASA wrote in the blog, "ensuring the sequencer operates correctly.On launch day, the ground launch sequencer hands ...

SpaceX had reset the countdown clock for its next human spaceflight, but a NASA decision has forced another delay of the ...

NASA has set a new launch date for its first astronaut-crewed flight into space on Boeing's Starliner after scrubbing Saturday afternoon's launch just minutes before it was due to begin.