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

Earth and the planets in the solar system sit within the heliosphere, a giant bubble formed by the charged particles, like protons, electrons, and alpha particles called the Solar Wind that emanate ...

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The heliosphere is a protective bubble created by the solar wind and is comprised of a stream of primarily protons, electrons, and alpha particles. It extends from the sun into interstellar space and ...

The invisible structures of space are becoming less so, as scientists look out to the far edges of the solar wind bubble that separates our solar system from the interstellar cloud through which it ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A diagram of our heliosphere. For the first time, scientists ...

For the first time, the boundary of the heliosphere has been mapped, giving scientists a better understanding of how solar and interstellar winds interact. For the first time, the boundary of the ...

From left to right, this graphic illustrates how NASA’s Carruthers Geocorona Observatory, IMAP (Interstellar Mapping and Acceleration Probe), and the National Oceanic and Atmospheric Administration’s ...

LOS ALAMOS, New Mexico, October 15, 2009–The invisible structures of space are becoming less so, as scientists look out to the far edges of the solar wind bubble that separates our solar system from ...