The Ursa Major, which sank on Monday, was carrying vital equipment for Moscow's newest nuclear-powered icebreaker.

RTX and Colorado-based propulsion firm Ursa Major conducted flight tests of a new solid rocket motor with long-range capabilities in California.

Speed of development has been an important aspect of the Army's missile project tested by Tucson-based Raytheon.

Fourteen crewmembers of the ship, the Ursa Major, had to be rescued from a lifeboat and transferred to Spain, according to Spain's maritime rescue agency. None of the fourteen crewmembers were ...

The Ursa Major cargo ship went down in the Mediterranean Sea off the coast of Spain on Tuesday, leaving two of its 16-person crew missing, according to Russia’s foreign ministry. The vessel ...

The crisis center of the Russian Foreign Ministry said the vessel, Ursa Major, sank south of Spain after a blast in the engine room. It was traveling through the Mediterranean after traversing the ...

The Russian Foreign Ministry said the vessel, the Ursa Major, went down in the Mediterranean between Spain and Algeria. The officials said 14 crew members were rescued by the Spanish coast guard ...

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 ...