The Sun is mostly hydrogen and helium. Its core temperature is 27 million degrees Fahrenheit. The Sun is about 4.6 billion years old. It's a G-type main-sequence star. Key takeaways sponsored by The ...

CLEVELAND, Ohio - The sun is about 400 times larger than the moon, yet it appears to be about the same size as the moon when both are viewed from Earth. That’s because the sun is also about 400 times ...

A tornado on the sun released a cloud of hot gas about six times the size of the Earth into space. The cloud was released alongside a powerful coronal mass ejection. The sun has been fizzing with ...

Scientists have discovered that, far in the future, our Sun will go through a massive transformation! Right now, it's a stable star in the middle of its life, but billions of years from now, it will ...