A previously unobserved mechanism is at work in the Sun's rotating plasma: a magnetic instability, which scientists had thought was physically impossible under these conditions. The effect might even ...

Researchers at CU Boulder have discovered hints that humanity’s favorite star may have a dual personality, with intriguing discrepancies in its magnetic fields that could hold clues to the sun’s own ...

Images of the sun over 10 years reveal how the star's activity spikes and dips over time. (Credit: The Yohkoh mission of ISAS, Japan, and NASA, United States) A team of solar scientists have uncovered ...

The Sun's activity is determined by the Sun's magnetic field. Two combined effects are responsible for the latter: The omega and the alpha effect. Exactly where and how the alpha effect originates is ...

In 1612, astronomer Galileo Galilei observed dark splotches can sunspots moving across the face of the sun. A new study could reveal the engine that drives these cloudy features, and much of the sun's ...