At 10:23 a.m. EDT (1423 GMT) today (Aug. 27), the countdown clock began ticking down to the planned launch of NASA's Artemis 1 mission, an ambitious first flight to the moon by the agency's most ...

Countdown clocks began ticking Saturday for the maiden launch of NASA new Space Launch System rocket Monday on a long-awaited mission to send an unpiloted Orion crew capsule around the moon and ...

SpaceX had reset the countdown clock for its next human spaceflight, but a NASA decision has forced another delay of the ...

At 10:23 a.m. EDT (1423 GMT) today (Aug. 27), the countdown clock began ticking down to the planned launch of NASA’s Artemis 1 mission. The last Apollo mission took place on December 19, 1972 ...

NASA’s countdown clock began at 10:23 a.m. Saturday, with just under 48 hours to go before the rocket is scheduled to take off from the Kennedy Space Center in Florida.

NASA begins countdown for its mission around the moon Monday, ... I'm standing next to the big countdown clock and right by the giant vehicle assembly building with the American flag on it.

NASA's countdown clocks are ticking again for the next-to-last space shuttle launch, and injured Congresswoman Gabrielle Giffords is heading back to Florida to watch. IE 11 is not supported.

SpaceX has reset the countdown clock for its next human spaceflight targeting an early Sunday morning launch of the private ...

Concerns over a critical hydraulic system arose less than four hours before the Falcon rocket's planned evening liftoff from ...

SpaceX had reset the countdown clock for its next human spaceflight, but a NASA decision has forced another delay of the private Axiom Space Ax-4 mission to the International Space Station.

A launch pad problem prompted SpaceX to delay a flight to the International Space Station on Wednesday to replace NASA’s two stuck astronauts.