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

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

Raytheon and growing propulsion firm Ursa Major on Wednesday announced they have conducted successful missile flight tests ...

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

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 ...

A Russian cargo ship, Ursa Major, has sunk in the Mediterranean between Spain and Algeria after an explosion in the engine ...

The owners of the vessel "Oslo Carrier 3" denied the information from LLC "Oboronlogistics" about the refusal to provide ...

Crewmembers had to be rescued in the sinking of a Russian cargo ship that its owner says was a "terrorist attack." ...

The Russian cargo ship Ursa Major sank in the Mediterranean Sea between Spain and Algeria following an explosion in its ...

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