Researchers simulated 30 million routes to the Moon and found a hidden detour through L1 that saves fuel and keeps spacecraft talking to Earth the whole way - Space Daily

Researchers simulated 30 million routes to the Moon and found a hidden detour through L1 that saves fuel and keeps spacecraft talking to Earth the whole way Space Daily Scientists find a hidden route to the moon that saves fuel Space New moon route cuts fuel costs using hidden gravitational highways Interesting Engineering Mathematical method calculates most efficient Earth-moon route yet Phys.org