Ursa Major, which has been cutting its teeth developing solid rocket motors and liquid rocket engines, has received a contract from an undisclosed ...

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.

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 ...

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.