NASA’s Artemis II crew boarded the Orion spacecraft on December 20, 2025, for a countdown demonstration test, rehearsing launch-day procedures at Kennedy Space Center’s Vehicle Assembly Building.

The four astronauts preparing to fly around the Moon on Artemis II have now practiced their biggest moment short of launch ...

NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year.

By most measures, it’s been a sensational year for SpaceX. The American spaceflight company will finish 2025 having notched up a record-breaking 165 launches using its trusty Falcon 9 rocket, with the ...

Rocket Lab launched its 21st and final mission of the year over the weekend, sending a private Japanese Earth-observing ...

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

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

Live updates from the Starlink 6-99 mission, which launched 8:42 a.m. Dec. 17 from Pad 39A at NASA's Kennedy Space Center.

Fans have uncovered more than 30 minutes of cut dialogue in Metroid Prime 4: Beyond’s game files. The audio is related to ...

Launch recap: Scroll down to review live updates from the Monday, Dec. 15, liftoff of a SpaceX Falcon 9 rocket from windy Cape Canaveral on the Starlink 6-82 mission. Original story: SpaceX keeps ...