Watch SpaceX doused a steel plate with water and then blast Raptor engine fire into it. The private spaceflight company's ...

SpaceX just took a big step toward its next Starship test flight, firing up all 33 engines of the vehicle's Super Heavy on ...

A powerful new electromagnetic thruster has taken a major step forward after a successful high-energy test at NASA’s Jet Propulsion Laboratory. Fueled by lithium vapor and driven by intense magnetic ...

SpaceX has reached a pivotal moment in its quest to launch the most powerful rocket in history. After successfully firing up ...

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

NASA just tested a blazing-hot plasma engine that could help carry humans to Mars.

Space startup Astrobotic put its rotating detonation rocket engine (RDRE) to the test for the first time, demonstrating a potentially groundbreaking technology that generates thrust by supersonic ...

SpaceX fired six Raptor engines on the company’s next Starship rocket Monday, clearing a major hurdle on the path to launch later this month on a high-stakes test flight to get the private rocket ...

NASA’s Space Launch System appears to have a finite shelf life. The Trump administration wants to cancel it after just three launches, while the preliminary text of a bill making its way through ...

After three catastrophic in-flight failures in a row, SpaceX readied a huge Super Heavy-Starship rocket for launch Sunday evening from the Texas Gulf Coast to put a variety of upgrades to the test and ...