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Sign up for CNN Science’s pop-up newsletter covering NASA’s Artemis II mission, which will take four astronauts on a 10-day ...

Rocket Lab launches more rockets at a faster pace than any rival and is expanding into satellites and deep-space missions.

NASA’s rehearsal for Artemis II marks one of the final steps before four astronauts get launched into deep space for the ...

A US House committee with oversight of NASA unanimously passed a “reauthorization” act for the space agency on Wednesday. The ...

NASA has completed over 100 cold-flow tests of a full-scale nuclear rocket reactor prototype, demonstrating stable hydrogen ...

Plasma propulsion transforms an inert propellant – often hydrogen – into plasma, a superheated mix of ions and electrons.

The small rocket and capsule have been flying since April 2015 and have combined to make 38 launches, all but one of which ...

NASA’s mega moon rocket will begin a slow trek to its Florida launchpad early Saturday, marking a major milestone for Artemis II, the agency’s first crewed lunar mission in over 50 years. The rollout ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Breaking space news ...

NASA fully fueled its Artemis 2 moon rocket during a crucial test today (Feb. 2) but had to pause the operation twice due to ...

China's main space contractor vowed to develop space tourism in the next five years, state media reported on Thursday, as Beijing revs up its commercial spaceflight and deep space exploration ...