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 called Ursa Major sank in the Mediterranean Sea overnight after an explosion ripped through its engine ...

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

A Russian-flagged and managed general cargo ship sank in the Mediterranean Sea off Spain early on Tuesday after an engine ...

The Russian operator of a cargo ship that sank in the Mediterranean Sea between Spain and Algeria says it has been hit by a ...

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

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