The flight test marks a major milestone for Ursa Major, who designed, built, and flew Hadley in less than a decade. Unlike ...

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

Ursa Major Technologies Inc. and Raytheon’s Tucson, Arizona-based rocket unit have completed a successful missile flight test ...

Raytheon’s Tucson-based missile manufacturing operation this week announced a successful missile test for an advanced long-range solid rocket motor it is developing together with Colorado ...

A Russian cargo ship, Ursa Major, has sunk in the Mediterranean between Spain and Algeria after an explosion in the engine room, Russia's foreign ministry has confirmed. It said 14 members of the ...

A Japanese space startup said its second attempt to launch a rocket carrying small satellites into orbit had been terminated ...

An explosion sank a sanctioned Russian cargo ship in the Mediterranean Sea on Monday night, Russian authorities said, leaving ...

Fourteen crewmembers of the ship, the Ursa Major, had to be rescued from a lifeboat ... a hole in the vessel's starboard and filled the engine room with acrid smoke. Smoke impeded the crew's ...

A Russian vessel, Ursa Major, sank in the Mediterranean after an explosion, leaving two crew members missing. The ship was operated by Oboronlogistika, a Russian Defence Ministry-affiliated ...

The explosion occurred in Ursa Major’s engine rooms just after midday on Dec. 23, causing the ship to list between Spain and Algeria. The cause is not yet known. The news website La Verdad ...

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 ...