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 ...

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

A Norwegian shipping company on Friday rejected an accusation from Dmitry Medvedev, deputy chairman of Russia's Security ...

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 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 ...