This towering structure of billowing gas and dark, obscuring dust might only be a small portion of the Eagle Nebula, but it ...

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

The interstellar plasma is turbulent and scatters pulsar radio waves slightly away from a direct, straight line path. The ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?