How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

Solar Orbiter reveals two distinct sources of energetic electrons from the Sun, improving space weather understanding.

Two European satellites created an "artificial total solar eclipse" in space, the European Space Agency announced June 16, delivering data that will improve scientists' understanding of the sun and ...