Join our newsletter to get the latest military space news every Tuesday by veteran defense journalist Sandra Erwin. WASHINGTON — Rocket propulsion startup Ursa Major announced Dec. 18 that one ...

The crew on American Pickers has found some surprising gems while hunting for treasure, but one such adventure turned up a genuine rocket car.

Raytheon's and Ursa Major's long-range solid rocket motor completed a successful missile flight test for the U.S. Army. A spokesman for Raytheon, an RTX business, said that the two firms' combined ...

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 ...

After taking off around 11 a.m. local time today from Space Port ... shortly after liftoff (video) — New Japanese rocket engine explodes during testing for 2nd time in 16 months ...

prompting a two-year hiatus to allow a redesign of the rocket’s motor nozzle. Today, Vega-C is finally ready for its highly-anticipated comeback. Update: December 4, 4:15 p.m. ET: Wednesday’s ...