Ursa Major developed and tested a 6-inch diameter composite grain pathfinder motor. Credit: Ursa Major WASHINGTON — Rocket engine startup Ursa Major is targeting the solid rocket motors market, the ...

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 ...

The smell of melting plastic filled the work area of a local space company early one morning. It was the smell of recycled plastic beads being converted into solid rocket fuel grains. This is not your ...

Colorado-based engine maker Ursa Major has secured an order for its developmental Draper rocket powerplant. The propulsion start-up on 17 September said it had received a $35 million contract from an ...

When most people think of rockets, they likely imagine something like SpaceX's Raptor engine, or they might recall the Apollo 11 Saturn V rocket that took astronauts to the Moon. Rockets aren't ...