The future of defense is being defined by the "technical revolution taking place right now" across industry, according to Dan Jablonsky, the chief executive at rocket propulsion company Ursa Major.

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 ...

DENVER, March 13, 2025 /PRNewswire/ -- Ursa Major has been awarded a contract for delivery of fully integrated GEO propulsion systems for a customer focused on critical space missions. The multi ...

WASHINGTON — Rocket propulsion startup Ursa Major is accelerating development and testing of its Draper liquid rocket engine in collaboration with U.S. defense agencies and military contractors.

MOSCOW, December 27. /TASS/. The fate of two crew members of Ursa Major, who were missing during the evacuation following a terrorist attack on the cargo ship in the Mediterranean, is still ...

The legendary Hubble Space Telescope has turned its gaze to the Ursa Major-adjacent galaxy UGC 5460, revealing spiral arms, star clusters and a possible supernova "imposter".

TASS/. Russia's Ursa Major cargo ship has sunk in the Mediterranean Sea after an explosion in the engine room, the Russian Foreign Ministry’s Crisis Management Center said in a statement.