Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small, weak magnetic disturbances rapidly multiplied, triggering stronger and ...

V1674 Herculis was a record-breaker. It erupted in the constellation Hercules on June 12, 2021, and skyrocketed to peak ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and ...

Solar prominences occur when the sun’s plasma, flowing along the magnetic field lines that the sun creates, forms a loop into space along the edge of the sun’s disk. When a prominence becomes ...

We’d prefer neither, if at all possible.