NASA’s return to crewed lunar flight is now hinging on a slab of material at the bottom of Orion that did not behave the way engineers expected. Instead of a straightforward fix, the agency is reworking how the capsule will slice back through Earth’s atmosphere,

During the two-day dress rehearsal, running through launch-day procedures, crews found a liquid hydrogen leak in part of the rocket.

NASA defended preparations for Artemis 2 after a fueling test had hydrogen leaks like those that bedeviled Artemis 1 more than three years ago.

NASA is inviting the public to add their names to a historic lunar mission known as Artemis 2 that is due to launch between February and April.

NASA released a selfie taken by the Orion capsule and close-up photos of the moon's crater-marked landscape as the spacecraft continues on the Artemis 1 mission, a 25-and-a-half day journey that will take it more than 40,000 miles beyond the far side of ...

The Artemis II crew comprises NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, and Canadian Space Agency astronaut Jeremy Hansen. They will fly in a

NASA's Artemis II mission reached a critical milestone this week as teams conducted a wet dress rehearsal of the Space Launch System rocket and Orion spacecraft during an unusually intense blast of cold air surged across Florida, delivering record-breaking low temperatures to the Sunshine State.