Astronomers have described the first measurements of plasma layers within an interstellar shock wave that surrounds a pulsar.

How can astronomers pierce through the interstellar fog of the Milky Way—not to study distant objects, but to understand the ...

In our neighborhood of the Milky Way, we see a region surrounding the solar system that is far less dense than average. But ...

The plasma coming off the Sun expands through space, along with the Sun’s magnetic field. Together they form the heliosphere within the surrounding local interstellar medium – the plasma ...

Researchers mapping a bubble of superheated gas that surrounds our solar system found a surprise, there is a tunnel that may ...

The spacecraft is being subjected to extreme temperature changes -- conditions it will face during launch and its journey ...

It's one of the first things any of us learn about astronomy – stars twinkle while planets don't. However, other point-like objects in the radio sky ...

A journey into interstellar space might do just fine, providing a technology shakedown and an incremental step toward the stars, just as the suborbital Mercury flights of Alan Shepard and Gus ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space. A distant galaxy is home to a ravenous supermassive black hole that appears to be ...