Voyager 1 solar system edge revealed a sharp, energetic boundary. Here’s what it found, how NASA verified it and why it ...

Astrophysicists are mapping a vast, hidden structure in the gas around the Sun that behaves like a tunnel carved through interstellar space, potentially linking our solar system to distant stars.

Scientists have detected a narrow structure of hot plasma extending from the Local Hot Bubble surrounding the Sun toward distant regions of the galaxy. The newly observed feature, described as a ...

As part of the Decadal Survey on Astronomy and Astrophysics (Astro2020), the Panel on the Interstellar Medium and Star and Planet Formation will identify and articulate the scientific themes that will ...