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 ...

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

A newly released image of the sun captured by the world’s largest solar telescope shows the surface of our nearest star in unprecedented detail, shedding light on its fiery complexity. The image is ...

The European Space Agency's Solar Orbiter has captured humanity's first-ever images of the sun's poles. If this doesn't seem like a big deal, consider that every image you have ever seen of the sun ...

The sun’s outer atmosphere resembles a pufferfish.

The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million degrees Celsius), hot enough to make fusion reactions work perfectly. 5 million gigapascals. Think about this: the ...

Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the expanding sun will turn the inner planets into cinders. It will almost ...