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

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

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

Fresh off repairs at the launch pad in Florida, United Launch Alliance engineers restarted the countdown overnight for the third attempt to send an Atlas V rocket and Boeing’s Starliner spacecraft on ...

Japan will launch a new navigation satellite to orbit tonight (Dec. 16), and you can watch the action live. An H3 rocket is ...

The Indian Space Research Organisation (ISRO) has begun a 24-hour countdown for the launch of its LVM3-M6 rocket, set for ...

NASA began the countdown for the launch of Space Shuttle Atlantis on mission STS-115 at noon EDT Thursday, Aug. 24, at the T-43 hour point. During this mission, Atlantis’ crew will resume the ...

A Falcon 9 rocket remains at Vandenberg Space Force Base after the team had to scrub liftoff attempt on Sunday morning. The next launch attempt will occur Monday. Credit: SpaceX photo With seconds ...

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

Blue Origin's New Glenn rocket is seen on Launch Complex 36 shortly before the launch attempt was scrubbed at the Cape Canaveral Space Force Station, Monday, Jan. 13, 2025, in Cape Canaveral, Fla. (AP ...