Aerojet Rocketdyne, an L3Harris Technologies Company, is helping install four of its RS-25 liquid-propellant rocket engines in NASA’s second Space Launch System (SLS) core stage at the agency’s ...

Pratt & Whitney Rocketdyne successfully completed a series of Hardware Acceptance Reviews on the first RS-68A production rocket engine, validating the world’s most powerful hydrogen-fueled engine is ...

Pratt & Whitney Rocketdyne successfully completed the Design Certification Review for the upgraded RS-68A engine configuration, demonstrating -the world’s most powerful hydrogen-fueled engine has met ...

An RS-25 engine fired up for 500 seconds June 11 at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. Four RS-25 engines will power NASA’s new rocket, the Space Launch System, at speeds of ...

Audi's RS 3 sporty compact is getting an upgrade, and Audi claims its not only the fastest RS 3 yet, but the fastest vehicle in its entire segment — with a speedy Nürburgring lap time to boot. Of ...