Ursa Major, also known as the Great Bear, is the third-largest constellation in the sky. We explore this well-known constellation in more detail here.

Most people have never seen the Little Dipper, because most of its stars are too dim to be seen through light-polluted skies.

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 ...

A repeating radio burst every 2 hours from Ursa Major reveals a unique white dwarf–red dwarf system, shaking up theories in ...

This image shows the constellation Ursa Major the Great Bear. The seven brightest stars (at upper left) are the Big Dipper. Credit: Tony Hallas ...

Topic - Ursa Major Subscribe to this topic via RSS or ATOM. Ursa Major, also known as the Great Bear, is a constellation in the northern sky, whose associated mythology likely dates back into ...

WASHINGTON — Ursa Major, a rocket propulsion company, announced Aug. 1 that Dan Jablonsky, former chief executive of Maxar Technologies, has been appointed as its new CEO effective Aug. 5.

Ursa Major's Hadley liquid rocket engine designed for commercial space and national security needs, successfully achieved sustained hypersonic speeds during two separate tests conducted since late ...

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 award totaling $10 to $15 million ...

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 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 ...