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 ...

Carleton University provides funding as a member of The Conversation CA. Carleton University provides funding as a member of The Conversation CA-FR. While the upcoming total solar eclipse is a special ...

We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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 ...

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 ...

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 ...

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 ...