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.

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.

NASA has quietly crossed a new frontier in human–machine collaboration, handing a critical piece of Mars navigation to a commercial chatbot. Instead of painstakingly plotting every twist of the Perseverance rover’s path by hand,

Video shows the NASA WB-57 plane touching down with a jolt, its wings bouncing as yellow fire and white smoke bursts from beneath it.

New simulations performed on a NASA supercomputer are providing scientists with the most comprehensive look yet into the maelstrom of interacting magnetic structures around city-sized neutron stars in the moments before they crash.

What role will F-15 jets play in the future of supersonic flight?

There's no telling what will gain traction on social media, but one conspiracy theory has gained enough traction for NASA to make a statement.