A pending contractor switchup marks another blow to Boeing, which is struggling to prove itself as a reliable strategic ...

NASA has selected the Centaur upper stage currently used on United Launch Alliance’s Vulcan rocket for future flights of the ...

NASA made major changes to its Artemis lunar architecture, adding a test flight of lunar landers in Earth orbit while ...

NASA has canceled EUS and Block 1B/2 upgrades entirely, opting for a standardized upper stage to support ~10-month intervals ...

NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

A big restructuring of NASA's plans to land astronauts on the moon is adding missions and speeding up the timeline, but some hardware might have to be cut loose in the process.

NASA 合同确认选择联合发射联盟（ULA）的“半人马5号”作为 SLS 火箭的新上面级联合发射联盟（ULA）为“火神认证 -1”（Cert-1）飞行任务研发的“半人马5号”上面级正在进行压力舱测试。图片来源：联合发射联盟NASA 正式选定联合发射联盟（ULA）的“半人马5号”（Centaur ...

When NASA Administrator Jared Isaacman announced the revamped approach to the Artemis moon program, it was unclear whether the new mobile launcher that has been constructed over the last two years at ...

At the core of Isaacman’s concerns is the low flight rate of the SLS rocket and Artemis missions. During past exploration ...

From Artemis IV onward, the new upper stage will be used instead of the existing interim cryogenic propulsion stage.

NASA has changed Artemis III into a 2027 LEO (low earth orbit) rendezvous mission. There is no orbital refueling is needed at all by SpaceX.