NASA's Voyager spacecraft has uncovered a cosmic marvel: a blazing 'wall' of heat beyond our Solar System, hinting at the ...

At the outermost edges of our solar system lies a barrier of super-hot plasma — a giant wall of fire from the Sun that defines the edge of interstellar space. Scientists are just now measuring ...

There's a "hydrogen wall" at the edge of our solar system, and NASA scientists think their New Horizons spacecraft can see it. That hydrogen wall is the outer boundary of our home system ...

We see this ultraviolet glow all over the Solar System. But at the heliopause, there appears to be an additional source caused by the wall of hydrogen, creating a larger glow. Beyond the wall ...

Although it might be evidence of the hydrogen wall, the ultraviolet light might also be coming from something further out in space. Stock image: Planets in our solar system. Stock image ...

There's a "hydrogen wall" at the edge of our solar system, and NASA scientists think their New Horizons spacecraft can see it. That hydrogen wall is the outer boundary of our home system ...