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All About the Sun

The light of daytime comes from our closest star: the Sun. Learn more about it!

How Is the Sun Completely Blocked in an Eclipse?

It all has to do with the distance between Earth and the sun and Earth and the moon.

How Does Our Sun Compare With Other Stars?

The Sun is actually a pretty average star!

Play Helios: A Game About How the Sun Makes Energy!

Where does the Sun's energy come from? Play Helios to find out!

Why Does the Sun Burn Us?

Sunburns are no fun.

Make Sun Paper

Have some fun with the sun!

Gallery of NASA Sun Images

Get up close and personal with our own star.

What Is a Solar Eclipse?

Learn more about what happens when the moon passes between Earth and the sun!

How Old Is the Sun?

And how long will it shine?

What Causes the Seasons?

The answer may surprise you.

What Is Space Weather?

This type of weather comes from activity on the Sun’s surface.

Make Sunspot Cookies!

These sunspots taste delicious