Ursa Major CEO Chris Spagnoletti discusses the company's work developing next-generation hypersonic missile systems and solid ...

Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON – The U.S. Air Force Research Laboratory awarded Colorado-based propulsion company Ursa Major a contract to mature two ...

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-year ...

Update: Ursa Major confirmed to CNBC that layoffs had occurred, which sources cited put at around 80 people, or more than a quarter of the company’s workforce. At least 14 people have been laid off ...

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 Major ...

Ursa Major developed and tested a 6-inch diameter composite grain pathfinder motor. Credit: Ursa Major WASHINGTON — Rocket engine startup Ursa Major is targeting the solid rocket motors market, the ...

Next Generation propulsion company Ursa Major announced $85 million in Series C funding today. The series was led by funds and accounts managed by BlackRock, and includes investors like XN and ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Ursa Major is creating a ...

BERTHOUD, Colo., Feb. 4, 2026 /PRNewswire/ -- Ursa Major has added two seasoned leaders to its executive team, Jason Meredith as President of Solid Missile Systems and Justin Siebert as Chief ...

Astra’s new Rocket 4 launch vehicle will use Ursa Major’s Hadley liquid engine to power its upper stage, the two companies announced Monday. Astra has been tight-lipped about the new upper-stage ...

Arroway is Ursa Major’s largest engine, with 200,000 pounds of thrust for space launch. (Ursa Major computer-generated rendering) WASHINGTON – The U.S. Air Force Research Laboratory awarded ...