NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

NASA engineers have successfully conducted a development test of the RS-25 rocket engine at NASA’s Stennis Space Center near Bay St. Louis. The RS-25 will help power the core stage of the agency’s new ...

Following the recent successful test flight of NASA's Artemis II mission around the moon, NASA rolled out the core stage, or ...

The third flight of Blue Origin’s heavy-lift New Glenn launcher began Sunday with the company’s first successful reflight of ...

Add Yahoo as a preferred source to see more of our stories on Google. From left, Canadian Space Agency astronaut Jeremy Hansen and NASA astronauts Reid Wiseman, Victor Glover and Christina Hammock ...

For the first time in more than 50 years, astronauts on a NASA mission are bound to fly around the Moon after successfully ...

NASA will roll the largest section of the agency’s SLS (Space Launch System) rocket, which will launch the second crewed Artemis mission, out of the agency’s Michoud Assembly Facility in New ...