Ursa Major is a Berthoud, Colorado-based startup developing liquid engines for rocket and hypersonic applications. The company is developing a 5,000-pound thrust Hadley engine and a 50,000-pound ...

Ursa Major has quietly closed $100 million in new funding, according to documents viewed by TechCrunch and multiple sources. Funders to the Series D include BlackRock and Space Capital.

WASHINGTON — Rocket propulsion startup Ursa Major announced March 9 its Hadley engine successfully flew for the first time powering a Stratolaunch hypersonic test vehicle.. Stratolaunch operates ...

DENVER, May 5, 2025 /PRNewswire/ -- Ursa Major's Hadley liquid rocket engine designed for commercial space and national security needs, successfully achieved sustained hypersonic speeds during two ...

Ursa Major has landed a follow-on contract award with America Makes to qualify its copper additive manufacturing process for ... Colorado rocket engine startup raises $138M months after ...

Ursa Major has been contracted to further refine its liquid rocket engine known as Draper for hypersonic technology applications in support of US warfighters. Awarded by the US Air Force Research ...

BERTHOUD, Colo. — Ursa Major, a Colorado-based rocket propulsion startup said Monday it has landed a follow-on contract award from America Makes to qualify its copper additive manufacturing ...

One of the Colorado manufacturer's Hadley rocket engines propelled the Stratolaunch Talon-A test vehicle to speeds beyond Mach 5 in May, the first US-made aircraft to hit that mark since the 1960s.

DENVER, June 16, 2025 /PRNewswire/ -- Ursa Major has been awarded a $32.9 million contract to develop and deliver 16 upgraded Hadley H13 engines to Stratolaunch.

Ursa Major has quietly closed $100 million in new funding, according to documents viewed by TechCrunch and multiple sources. Funders to the Series D include BlackRock and Space Capital.

Ursa Major, a Colorado-based rocket propulsion startup said Monday it has landed a follow-on contract award from America Makes to qualify its copper additive manufacturing process for hypersonic ...