hydrogen peroxide fuel comes in at around $10.36 per kilogram, while hydrazine topped the cost chart at around $75.8/kg.

NASA’s DART mission wasn’t designed to study—it was designed to hit. A 570 kg spacecraft, no bigger than a fridge, ...

Modern methods of propulsion offer ship operators a wide variety of efficient systems to move a vessel through the water. High levels of maneuverability and enhanced propeller geometry allow ...

Propulsion pods are not a new product, but a new configuration of traditional marine systems and components. As yet, studies have not shown whether pods are more efficient than conventional shaft ...