Astronomers trying to measure the sun's age by analyzing vibrations rippling within the sun have realized something troubling. It seems that the solar cycle of magnetic activity is meddling with their ...

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 ...

Adam Burgasser receives funding from NASA and the National Science Foundation. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Astronomers trying to measure the sun's age by analyzing vibrations rippling within the sun have ...