The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar flares, including a hidden X-class outburst, a new paper reveals. The study sets ...
Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...
Highly active sunspot AR3664 grew tremendously in this three day time-lapse. Credit: Space.com | footage courtesy: NASA / SDO ...