The powerful Vulcan faces its biggest test yet as it prepares to launch on its second national security mission from Florida.

Russian engineers are betting that a radically different rocket engine can compress the long slog to Mars into something closer to an interplanetary commute. Their new plasma propulsion prototype, ...

General Galactic, cofounded by a former SpaceX engineer, plans to test its water-based propellant this fall. If successful, it could help usher in a new era of space travel. That's a big “if.” ...

Plasma propulsion transforms an inert propellant – often hydrogen – into plasma, a superheated mix of ions and electrons.

Russian scientists say they are closing in on a propulsion breakthrough that could compress the journey from Earth to Mars ...

Plasma engines could be the future of human space travel, and Russia’s “manetoplasma rockets” have the most ambitious travel goals ...

ALAMEDA, Calif.--(BUSINESS WIRE)--Astra today announced it has shipped 110 satellite engine systems since January 1, 2025, surpassing a key operating milestone set when the company went private in ...

Work on the production floor at Rocket Lab’s Engine Development Complex in Long Beach halted on Friday afternoon, Jan. 9, as more than 200 employees cheered and welcomed Defense Secretary Pete Hegseth ...

The deal includes Aerojet Rocketdyne RL-10 rocket engines. (Craig Bailey/Florida Today/USA Today Network/Reuters) Defense contractor L3Harris Technologies struck a deal to sell a controlling interest ...

Melbourne-based L3Harris acquired the vast rocket engine company Aerojet Rocketdyne in 2023, but on Monday announced it was selling a controlling interest in the majority of those operations to ...

HUNTSVILLE, Ala. (WAFF) - Several viewers reported hearing what sounded like explosions across the Huntsville area Monday evening Officials with Redstone Arsenal say the loud noises were caused by ...