NASA on Sunday (Sept. 22) announced that the space agency will roll its massive Artemis 2 moon rocket to fix a helium system ...

NASA's new moon rocket has suffered another setback, pushing astronauts' Artemis II lunar mission into April.

NASA's Artemis II rocket repairs are underway after a dislodged seal caused a helium flow issue, delaying launch.

SpaceX halted Falcon 9 launches for a week while it investigated that issue, which was traced to a fuel leak in one of the ...

The Artemis II mission aims to send four astronauts​ — Reid Wiseman, Victor Glover, Christina Koch and Canadian astronaut ...

An interruption in the flow of helium to the upper stage may require that the rocket be removed from the launchpad for repairs.

Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA’s engineers have been grappling ...

Welcome to Edition 7.50 of the Rocket Report! We’re nearly halfway through the year, and it seems like a good time to look back on the past six months. What has been most surprising to me in the world ...

CAPE CANAVERAL, Fla.(AP) — In the latest setback to return astronauts to the moon, NASA delayed the highly anticipated flight yet again after a new problem cropped up with the rocket Saturday. April ...