In the case of the Big Dipper, it’s part of the constellation Ursa Major the Great Bear ... the bear’s skeleton remains in the sky during winter. A new bear emerges in the spring, restarting ...

The Russian vessel Ursa Major, carrying strategic cargo, sank in the Mediterranean Sea after an explosion in the engine room, the Telegram channel Crimean Wind reports. Tracking services indicated ...

Raytheon and growing propulsion firm Ursa Major on Wednesday announced they have conducted successful missile flight tests with a long-range solid rocket motor for the Army. In a briefing with ...

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 rocket ...

Fourteen of the Ursa Major's crew were rescued uninjured from ... but most ships still choose the southern route in winter. Spanish maritime rescue units remained in the area Tuesday to monitor ...

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 ...