The first of four RS-25 engines that will power NASA’s Artemis III mission has arrived inside the Vehicle Assembly Building at Kennedy Space Center in Florida, the agency announced Thursday.

NASA just nudged its Mars ambitions forward with a lab test of a new ion engine that vastly outmuscles anything it's flown before. The lithium-fed magnetoplasmadynamic (MPD) thruster hit 120 kilowatts ...

NASA is testing a 'cryocoupler' developed by L3Harris for in-orbit refueling.

NASA is testing a next-generation space computer chip that could give spacecraft the ability to operate far more independently in deep space. The radiation-hardened processor is showing performance ...

NASA’s announcement Tuesday that it will “pause” work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump ...

Nasa is developing ways to use nuclear power to send spacecraft to their destinations. Nuclear propulsion could greatly reduce the journey time to Mars, perhaps cutting a voyage of more than six ...