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

General Galactic, cofounded by a former SpaceX engineer, plans to test its water-based propellant this fall. If successful, it could help usher in a new era of space travel. That's a big “if.” ...

Houston has a problem.

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...

SpaceX halted Falcon 9 launches for a week while it investigated that issue, which was traced to a fuel leak in one of the ...

Sending a mission to the solar gravitational lens (SGL) is the most effective way of actually directly imaging a potentially habitable planet, as well as its atmosphere, and even possibly some of its ...

If the countdown and fueling test go well, four astronauts will set their sights on a Super Bowl Sunday launch to the moon.

SpaceX is edging toward the 12th launch of its Starship rocket, which this time will see a new version of the massive vehicle head skyward. The launch team has just completed a crucial test of the ...

SpaceX Starship was run through a wet dress rehearsal for launch. Watch amazing drone view of the frosty rocket as it was ...

NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.