A Russian cargo ship, Ursa Major, has tragically sunk in the Mediterranean Sea after a catastrophic explosion in its engine ...

The Russian cargo ship 'Ursa Major' sank in the Mediterranean Sea after three alleged sabotage-induced explosions.

Raytheon and growing propulsion firm Ursa Major on Wednesday announced they have conducted successful missile flight tests with a long-range solid rocket motor for the Army. In a briefing with ...

The Russian cargo ship 'Ursa Major' sank in the Mediterranean Sea, leading to two missing crew members. An explosion in its ...

Ursa Major Technologies Inc. and Raytheon’s Tucson, Arizona-based rocket unit have completed a successful missile flight test for the U.S. Army, using the companies’ advanced long-range solid rocket ...

Speed of development has been an important aspect of the project, which started with an investment RTX Ventures made in Ursa Major in 2023 to explore new rocket motor technologies in response to a ...

WASHINGTON — Rocket propulsion startup Ursa Major announced Dec. 18 that one of its solid rocket motors completed a successful flight test on a Raytheon-built missile for the U.S. Army.

Ursa Major said it developed a new solid rocket motor from scratch in four months, and has now flown it twice in partnership with Raytheon. (Ursa Major) Raytheon and growing propulsion firm Ursa ...