CAPE CANAVERAL—NASA is revising its Artemis lunar exploration initiative with a new mission to dock one or both human lunar landing systems with a crewed Orion spacecraft in low Earth orbit (LEO) ...

The Space Launch System rocket program is now a decade and a half old, and it continues to be dominated by two unfortunate traits: It is expensive, and it is slow. The massive rocket and its ...

Underrated comment. This is the thing that frustrates me most about SLS: granted that pork is the primary purpose, the "side effect" (making SLS) is actively detrimental to the nation and world ...

During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a cancelled launch attempt. The agency had three years to address the underlying ...

NASA Artemis 2 mission after encountering hydrogen leaks during a fueling test of the Space Launch System. The Space Launch System (SLS) and Orion spacecraft have been central to NASA’s Artemis ...

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KENNEDY SPACE CENTER — On Monday afternoon, NASA stated that its teams detected a leak on its Artemis II moon rocket during the wet dress rehearsal. In an update, NASA stated that its teams have been ...

Tuning into the feed at optimal times could unveil the imposing 322-foot spacecraft in the foreground of a stunning sunset or sunrise, or show it prominently lighting up the night sky. As early as ...

NASA is conducting a final major test, known as a wet dress rehearsal, for its SLS rocket ahead of the Artemis II mission. Extreme cold in Florida has caused a 24-hour delay for the test, with teams ...

The Space Launch System was supposed to be NASA’s triumphant return to Saturn V scale, a government built mega rocket that could guarantee American astronauts a path back to the Moon. Instead, it has ...

KENNEDY SPACE CENTER — Citing the proposed budget cuts by the Trump administration, NASA announced on Friday that after the Artemis III mission — where Americans will return to the moon — the rocket ...