Far above the Sun’s bright surface, a steady stream of charged particles accelerates into space. This outflow, known as the solar wind, starts nearly motionless and then races outward at hundreds of ...

Using the combined might of spacecraft scattered across the Solar System, scientists have built the most detailed map yet of the boundary where the Sun's magnetic push no longer accelerates the solar ...

The sun keeps a tight rein on everything in the Solar System, but it isn't always the best at keeping the material in its own atmosphere under control. Wayward solar wind constantly breaks free from ...

The sun’s outer atmosphere resembles a pufferfish. That’s what scientists have gleaned from the first verified maps of the shifting boundary between the sun and the rest of the solar system. “The ...