In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

Mobility in space continually cements itself as important in this modern era of space exploration, with satellites like Starlink, Amazon's upcoming Project Kuiper, the International Space Station, and ...

Space startup General Galactic aims to fly a satellite using only water for in-orbit ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Every year, companies and space agencies launch hundreds of rockets ...

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

The United States flew a reactor in space in the 1960s and has studied nuclear thermal propulsion for decades. Fuel is not the primary limitation either; the enriched uranium supply chain is ...

How can fission-powered propulsion help advance deep space exploration, specifically to the outer planets like Jupiter, Saturn, Uranus, and Neptune? This is what a recent study presented at the 56th ...

Artificial intelligence is moving from the control room into the engine bell, reshaping how rockets are designed, steered and powered. Instead of treating propulsion as a fixed piece of hardware, ...

Quantum Space has acquired Phase Four’s multi-mode propulsion assets to boost its capability to deliver highly maneuverable, persistent and cost-efficient platforms for national security, civil and ...

Our customers rely on us to provide propulsion systems that perform as expected on orbit… For Orbion, delivering flight-ready hardware is not a milestone – it’s the way we operate.”” — Brad King, ...