How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...

The sun is by far the largest object in our solar system, containing 99.8% of the solar system's mass. It sheds most of the heat and light that makes life possible on Earth and possibly elsewhere.

With a diameter of some 864,000 miles (1.39 million km), the Sun dwarfs any other object in our solar system. In fact, you could fit about 1.3 million Earths inside it.

Get ready to feel small: The sun is 99.8 percent of the mass of the solar system. Here are more colossal facts about our star.

There are so many interesting solar system facts, here are some of our favorites. For about a quarter of each Uranus year (or 21 Earth years, as each Uranus year is 84 years long), the sun shines ...

The European Space Agency's Solar Orbiter captured the first-ever images of the sun's south pole in March, which were ...

Earth Day is April 22 — think you know the planets? Test your knowledge of the solar system in this fun and engaging lifestyle quiz — and see how well you do!

The magnetic field drives the formation of sunspots, cooler regions on the solar surface that appear as dark blotches. At the ...

The sun contains over 99% of the mass of our entire solar system. Like Earth, the sun also rotates on its axis. Each rotation takes about 27 Earth days. Everything you need to know about the sun ...