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 ...

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

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

URSA Major Technologies Inc., Berthoud, Colorado, was awarded a $7,650,000 firm-fixed-price contract for space launch system ...

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 ...

Raytheon’s missile manufacturing operation announced a successful test for an advanced long-range military solid rocket motor it's developing with a Colorado aerospace propulsion systems maker.

A Russian cargo ship has sunk in the Mediterranean Sea after an explosion onboard, Russia’s Foreign Ministry said on Dec. 24.

According to its statement, which is in line with available footage from the sinking ship, the Ursa Major was carrying two ...

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 ...

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 ...