WASHINGTON (Reuters) - U.S. rocket engine maker Ursa Major is developing a new medium to heavy-lift rocket engine to serve a growing field of potential customers, jumping into territory dominated by a ...

Rocket engine manufacturer Ursa Major has introduced a 3D printed alternative to the now-unavailable Russian propulsion systems used by US launch firms. Just like Ursa Major’s previous efforts, its ...

Rocket engine manufacturer Ursa Major and Sirius Technologies—the U.S. subsidiary of Tokyo-based Innovative Space Carrier (ISC)—have entered into a new agreement for the purchase of ten Hadley small ...

The reusable Arroway will be the third and most powerful engine offered by Ursa Major, and the company is aiming to be the low-cost option in the market, founder and CEO Joe Laurienti said. "We should ...