The sun’s outer atmosphere resembles a pufferfish.

Learn what the first maps of the sun's atmospheric boundary reveal about solar wind and its escape into space. The sun keeps a tight rein on everything in the Solar System, but it isn’t always the ...

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 ...

Data from NASA's Parker Solar Probe has enabled astronomers to map the unssen surface of the sun's atmosphere for the first time.

The sun’s wispy upper atmosphere, called the corona, is an ever-changing jungle of sizzling plasma. But mapping the strength of the magnetic fields that largely control that behavior has proved ...