The Parker Solar Probe has now traced the sun’s outer frontier in unprecedented detail, turning a once-theoretical boundary into a mapped region of real, measured structure. By skimming through the ...

A powerful geomagnetic storm is causing the northern lights to be visible across the United States. While creating beautiful auroras, intense solar storms can also threaten power grids and ...

On Earth, extreme solar activity often appears as beautiful, benign auroras. But venturing beyond the safety of the Earth's ...