NASA Funds Ion Propulsion Drones for Titan Cave Exploration

By Mrigakshi Dixit · Interesting Engineering · 2026-08-17

According to Interesting Engineering, a new NASA-backed project titled SPARK is developing spherical, solid-state aerobots to investigate subterranean channels on Saturn’s largest moon. University of Hawaii researchers are leveraging electrohydrodynamic thrusters to enable silent

According to Interesting Engineering, a new NASA-backed project titled SPARK is developing spherical, solid-state aerobots to investigate subterranean channels on Saturn’s largest moon. University of Hawaii researchers are leveraging electrohydrodynamic thrusters to enable silent