Our solar system has a tail and it's shaped like a four-leaf clover

According to NASA, both the existence of our solar system's tail and its general shape have now been confirmed, which... wait – our solar system has a tail? » 7/12/13 8:37am 7/12/13 8:37am

NASA's IBEX Ready to Measure the Edges of Our Solar System

A NASA mission to measure and study the mysterious edge of the solar system is underway this week. The Interstellar Boundary Explorer (IBEX) is one of the low-cost "Small Explorers" missions - it can study the termination shock area of our solar system without even leaving Earth's orbit. How will it manage that? By… » 10/20/08 10:40am 10/20/08 10:40am