NASA’s Interstellar Boundary Explorer, known as IBEX, has spent more than a decade mapping an invisible structure of magnetic fields and charged particles that envelops the solar system far beyond ...

(CNN) — Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission aims to help astronomers better understand it. Created by the solar wind, a ...

University of Montana scientist Dan Reisenfeld helped design one of two primary instruments on the NASA spacecraft Interstellar Boundary Explorer, or IBEX, which will create an all-sky map of the ...