The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

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 wind, a ...

A NASA probe has started its mission to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun, the space agency announced on Monday. The space ...

PUNCH consists of four small spacecraft, each about the size of a suitcase, which will work together in a constellation to study the Sun’s outer atmosphere and the solar wind. Currently at Vandenberg ...

Groundbreaking advances in solar and space physics have provided key insights into the inner workings of the heliosphere, the vast protective bubble formed by the solar wind that extends from the Sun ...