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

NASA says it can't try until March at the earliest to send a crewed spacecraft on a flight around the moon and back, due to ...

NASA plans an on-pad repair of the fuel leak that derailed an overnight dress rehearsal countdown for the agency's huge ...

SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and ...

Artemis II commander Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen are hoping to launch atop the SLS rocket as early as Sunday night for a nine-day two-hour flight around the moon and ...

The RS-25 engines that will power the rocket into orbit were tested at Stennis Space Center in Hancock County.

NASA has run into exasperating fuel leaks in a make-or-break test of the moon rocket that's supposed to send astronauts on a lunar fly-around ...

Rocket Lab Corporation stock stays volatile after a Neutron setback delays launch. Click here for this updated look at RKLB ...

Nasa has said it will now target a March launch date for its new Moon rocket after running into exasperating fuel leaks during a make-or-break test a day earlier. The space agency said in a statement ...

NASA's Artemis II wet dress rehearsal was halted due to a fuel line leak during preparations for a historic human flight ...