World’s first zinc thruster fires in space on maiden attempt
A satellite has fired a Hall-effect thruster fueled by solid zinc in orbit for the first time, giving…
Military demand shapes market for satellite propulsion
An increasingly competitive market is forming around a capability military satellites have historically used sparingly: propulsion after launch.…
Sustained maneuver has a propulsion problem
For years, space architecture was treated mostly as a question of placement: where to put a spacecraft, and…
The space junk crisis: why orbital debris is the next big threat to our future in space
From an astronaut’s point of view, the debris issue isn’t theoretical—it’s existential. Atienza, an analogue astronaut who trains…