Cosmic freeway …

…could transform space travel: “An elaborate matrix of paths scattered throughout the entire solar system can dramatically cut the amount of power needed for spacecraft to explore our celestial neighborhood, NASA announced this week…

Past space wanderers have already tested the space road, including asteroids and comets. Comet Shoemaker-Levy, for example, collided with Jupiter “when it took an off-ramp toward the giant gas planet,” NASA said.

Some scientists theorize that a killer asteroid traveled along the highway when it smacked into Earth and wiped out the dinosaurs 65 million years ago. ” CNN