The two companies will join three others selected last summer, including SpaceX, United Launch Alliance and Blue Origin.

Rocket Lab's launch vehicle for the program will be Neutron, its 13-ton reusable carbon composite medium-lift launch vehicle being rapidly developed to meet the demand for high assurance national ...

The Space Launch System (SLS) core stage and rocket boosters have now been stood up and mated in preparation for NASA's ...

NASA and DARPA have partnered to develop a demonstration nuclear-powered rocket that could speed travel to Mars and make ...

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Demand for solid rocket motors is booming in part because missile makers are aggressively ramping up output of all sorts of ...

Private space company Galactic Energy could debut the world's first electromagnetic rocket launch pad by 2028.

Earlier this year, the tiny rocket company that wants to grow up to be SpaceX someday told NASA that, if it's agreeable, ...

The slow race of getting NASA’s Space Launch System rocket pieced together for next year’s Artemis II moon mission jumped a ...

Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to ...

There are no customer satellites aboard the first Spectrum test flight. The rocket will climb into a polar orbit from Andøya ...

A look back at all of the spectacular tests — and failures — that have punctuated SpaceX's development of its Starship rocket ...