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Planets

Photo: The Earth as seen by the Apollo 17 in 1972

Earth

It's the life of the solar system.

Get the Facts
Photo: Jupiter's moon Io

Jupiter

It's the giant of the solar system.

Get the Stats
Photo: Shadow of rover Opportunity on Mars

Mars

Where did all the water go?

Explore Mars
Photo: Mercury

Mercury

It's the sun's nearest neighbor.

How Hot Is It?
Photo: Neptune and moon Triton

Neptune

It's invisible to the naked eye.

Get Up Close
Photo: Saturn and its rings

Saturn

It's the lord of the rings.

Read On
Photo: Uranus

Uranus

This blue planet is out of whack.

Find Out Why
Photo: Venus and Earth's moon

Venus

Is it Earth's sister planet?

Find Out

Did You Know?

A Trip Around the Sun

The majority of main-belt asteroids are in stable orbits that take between three and six years to complete a full circuit around the sun.

More About the Solar System

News: Latest Space Stories

SPACE PHOTOS THIS WEEK: Tiny Galaxy, Sun's Iron, More
Earliest Known Galaxies Spied in Deep Hubble Picture
SPACE PHOTOS THIS WEEK: Tiny Galaxy, Sun's Iron, More
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Photo: Saturn's moon Dione

Article: Voyage to Saturn

The Cassini probe began its voyage to Saturn in 1997. Photos it has taken have revealed secrets of the ringed giant as well as clues to the very beginning of the solar system.

Read More
Photo: The sun, magnetism made visible

Article: The Sun—Living With a Stormy Star

Our life-giving sun throws tempests that can scramble modern technology. But new telescopes and satellites allow scientists to probe the secrets of this temperamental star.

Read More
Photo: Martian dunes

Article: A Mars Never Dreamed Of

The more scientists see of Mars, the more mystified and astonished they are about the powerful forces that shape its terrain. And new images are intensifying the debate.

Read More
Photo: Wheatley crater on Venus

Photo Gallery: Venus

At first glance Venus seems similar to Earth in many ways. But intense temperatures capable of melting lead and a sulfuric-acid shroud of clouds tell a different story.

See the Photos

Space Topics

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Photo: Man carrying a kayak

Adventure Videos

Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."

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Natural Disasters
Photo: A tornado

Get the science behind avalanches, tsunamis, and more.

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Photo: Two penguins

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National Geographic Kids

Image: A cross-section of the human head

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