The Princeton-led NASA mission has officially begun its science mission to study the sun and everything it touches. Princeton marked the occasion with a panel discussion, science talks and a reception ...

Add Yahoo as a preferred source to see more of our stories on Google. From left to right, this graphic illustrates how NASA’s Carruthers Geocorona Observatory, IMAP (Interstellar Mapping and ...

A baby sunlike star blowing a bubble of hot gas called an “astrosphere” was captured for the first time by NASA’s Chandra X-ray Observatory ...

The Sun warms the Earth, making it habitable for people and animals. But that’s not all it does, and it affects a much larger area of space. The heliosphere, the area of space influenced by the Sun, ...

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 ...

Physicists have revealed a refined new model of the heliosphere—the vast region around the Sun extending more than twice as far as Pluto—that depicts it as a crescent-shaped magnetic force-field ...

(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 ...