NASA tested a Space Launch System rocket RS-25 engine at the Stennis Space Center. Credit: NASA Stennis Space Center ...

Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New ...

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

The Space Launch System (SLS) core stage and rocket boosters have now been stood up and mated in preparation for NASA's Artemis 2 moon mission.

The spaceflights are ones billionaire Jeff Bezos's space technology company has been offering since 2021. This time, six ...

A fire at a Northrop Grumman facility in Utah sent a building up in flames April 16. No injuries were reported.

Blue Origin rockets are launching people to the edge of space, but Jeff Bezos wants the company to compete with SpaceX. It's ...

We are finally at the cusp for both nuclear electric propulsion and nuclear thermal propulsion,” said Kristin Houston, ...

NASA has taken a major step toward deep space exploration with the integration of the SLS rocket and solid rocket boosters ...

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