The Russian vessel Ursa Major, carrying strategic cargo ... delay the icebreaker's construction. Photo: monitoring images ...

Follow the gazelle's flight from the Lion of Leo. With the constellation Ursa Major high in the sky, late April presents an ideal opportunity to spot the 'Three Leaps of the Gazelle' asterism - a ...

Ursa Major’s Draper is a 4,000-pound thrust engine designed for hypersonics, defense, in-space propulsion, and space launch. Credit: Ursa Major Join our newsletter to get the latest military ...

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 ...

has awarded Ursa Major a $28,565,857 firm-fixed price contract for responsive space, hypersonic, and on-orbit propulsion. This new contract will follow-on work completed to mature advanced liquid ...