solar fringe

Mysterious comet suburbs fringe the Solar System
A new project led by a University of Florida researcher could fundamentally alter our understanding of how comets come from the outskirts of the Solar System.
NASA Voyager 1 spacecraft comes to the edge of the solar system
On June 27, NASA announced that the Voyager 1 spacecraft flew to the outer edge of the solar system and will operate here for months, even years.