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

The core stage for NASA's Artemis 3 rocket has been raised inside the Vehicle Assembly Building, and is awaiting engine ...

The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...

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 ...

NASA has been conducting a series of hot fire tests to certify RS-25 engines for use on the Space Launch System rockets that ...

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.

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 ...

Two Chakram engine prototypes accumulated more than 470 seconds of total run time.

NASA Stennis Space Center, sitting in Hancock County, acts as the largest rocket propulsion test site in the United States.

The core stage for NASA's Artemis moon rocket has arrived in Florida in a crucial step for the upcoming Artemis III mission.

Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.