As NASA prepares to send astronauts around the moon, a critical dress rehearsal on Monday will reveal whether its rocket is truly ready to fly.

Four astronauts preparing for an extended stay in space have started quarantine as they get ready for their next big mission.

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With the wet dress rehearsal, essentially a critical fueling test of the Artemis 2 Space Launch System moon rocket, now back on Feb. 2, NASA said in a statement that it can no longer target Feb. 6 or Feb. 7, the first two days of its launch window. The Artemis 2 launch window originally ran from Feb. 6 to Feb. 10.

B NASA recently put the finishing touches on a telescope set to become the agency’s flagship infrared space telescope, but it hasn’t come cheap. The total cost for develop

NASA has begun a two-day practice countdown for its first moonshot with astronauts in 53 years. The dress rehearsal that started Saturday night will culminate with the fueling of the space agency's new moon rocket.

NASA has released an animation detailing the Artemis II mission, a crewed test flight that will validate the Space Launch System and Orion spacecraft for deep-space travel beyond low Earth orbit.