Using data from the eROSITA All-Sky Survey, astronomers have created a 3D map of the low-density bubble of X-ray-emitting, million-degree hot gas that surrounds the solar system. The investigation has ...

Astrophysicists are mapping a vast, hidden structure in the gas around the Sun that behaves like a tunnel carved through ...

At the edge of the solar system is a violent frontier where two cosmic powers clash. On one side is the solar wind, the constant flood of hot, charged particles flowing out of the sun at hundreds of ...