SpaceX’s Raptor engine and Blue Origin’s BE-4 engine are two key innovations in rocket propulsion, each with its unique design and performance characteristics. While the Raptor engine leverages ...

Moments after liftoff from Florida’s Space Coast early Thursday morning, a shower of sparks emerged in the exhaust plume of United Launch Alliance’s Vulcan rocket. Seconds later, the rocket twisted on ...

Add Yahoo as a preferred source to see more of our stories on Google. Godspeed, New Glenn: Blue Origin’s massive rocket is about to take flight – and it may be visible outside of Florida. The company ...

SpaceX has temporarily grounded its Falcon 9 rocket after an upper stage failed to deorbit as planned during a Feb. 2 launch. Will the issue affect the company's Crew-12 astronaut mission?

Blue Origin has detailed a series of proposed upgrades for its New Glenn rocket after its successful launch last week. The new "9x4" design would be classed as a super-heavy launch vehicle, expanding ...