High-energy, powerful, and violent stellar explosions called "superflares" have been found to erupt from stars like the sun roughly once every 100 years, making these blasts far more common than ...

Far beyond the Milky Way, in a nearby satellite galaxy, a giant star has been shifting in a way astronomers did not expect.

Earlier this year, Earth experienced two geomagnetic storms caused by outbursts of radiation from the Sun, which had an impact on satellites in space and communication systems on the ground. As it ...