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

NASA's PUNCH sun-studying mission has seen first light — and the team says all four instruments are indeed working as ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

The study provides new insights into how material from this mature star system could make its way toward our solar neighborhood, traversing the vast distances of the galaxy. As the authors ...

A trio of recently launched satellites will watch the sun's energy whack the Earth, helping us predict solar storms ...

Researchers estimate over a million interstellar objects from Alpha Centauri may already be lurking in the icy shell surrounding our solar system. Stars don’t hoard their material—Gregg and ...

Tatooine-Like Planet Outside the Solar System May Orbit Two Failed Stars, Scientists Say NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars ...