A major step toward launch day is complete as NASA's Artemis II astronauts ran through a countdown demonstration test.

NASA’s Artemis II moon mission highlights the Space Coast’s 2026 launch manifest, which also could see Blue Origin’s moon ...

The four astronauts preparing to fly around the Moon on Artemis II have now practiced their biggest moment short of launch itself, completing a full countdown rehearsal that took them all the way to ...

Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...