After Northern Lights appeared as far south as Colorado, Live Science discusses how "cannibal" coronal mass ejections (CME) are formed and what impact they have on Earth.

Watch NASA's Solar Dynamics Observatory's M9.6-class flare. Credit: NASA/SDO/Helio Viewer | edited by Space.com's Steve ...

A massive solar storm can hit Earth in the coming days. But we are not prepared to face the wrath of the sun, and the solar ...

These intense bursts of solar energy have come from an unusually active sunspot called AR4087, which is now directly facing ...

During the emergency drill, the most serious situation imagined was a huge solar storm, a powerful explosion from the Sun ...