Space

  • An illustration shows asteroid 24 Themis.

    Water Found on Asteroid for First Time

    Bolsters Theory of Extraterrestrial Origins for Earth's Water

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Explore space, with its mysterious galaxies and black holes, and learn more about where we have been and where we're going in this final frontier.

Space Topics

More About Space

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    Asteroids and Comets

    Asteroids and comets strike fear in the human mind. And for good reason: At some point in the future, one of them will slam into Earth and alter the course of history.

  • Photo: Loop on the sun

    Sun

    It may be just a star, but the sun is the center of our world. It holds the solar system together; pours life-giving light, heat, and energy on Earth; and generates space weather.

  • Photo: Space shuttle launch

    Space Shuttle Program

    NASA's space shuttle program has been marked with both successes and tragedies. Revisit the history of the program and see what NASA's plans are for its future.

  • This image provided by the European Space Agency shows and artist impression of catalogued objects in low-Earth orbit viewed over the Equator. Scientists are keeping a close eye on orbital debris created when two communications satellites _ one American, the other Russian _ smashed into each other hundreds of miles above Siberia Tuesday Feb. 10, 2009. The collision was the first high-speed impact between two intact spacecraft, NASA officials said. The debris field shown in this image is an artist's impression based on actual data but not shown in their actual size or density. (AP Photo/ESA) **NO SALES **

    Orbital Objects

    The space above Earth may seem empty, but it's teeming with natural and manmade objects—including thousands of satellites and millions of pieces of space junk.

Science News

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Quizzes

New From National Geographic Magazine

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2010 Emerging Explorers

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Expedition Mongolia

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    Join the Expedition

    Help Emerging Explorer Albert Lin find the lost tomb of Genghis Khan by joining the crowdsourcing effort to scan satellite images for clues.  A ground team in Mongolia will investigate the clues suggested by the community.  You'll be breaking ground in archaeology, without actually breaking any ground!

Science Topics

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The Great Energy Challenge

Better understand the need for clean energy and learn how to be part of the solution.

  • Oil coats beach sand at the mouth of the Mississippi River, south of Venice, Louisiana, U.S., on Monday, May 17, 2010. President Barack Obama is planning to create a commission to investigate the BP Plc drilling accident, following presidential probes in prior decades of the Three Mile Island nuclear accident and the Space Shuttle Challenger disaster. Photographer: Jordan Burke/Bloomberg via Getty Images

    Your Oil Spill IQ

    You know the Gulf is a mess, but how much do you really know about oil spills?

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    Personal Energy Meter

    See how you measure up against others, and how changes at home could do tons to protect the planet.

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    Your Energy Diet

    Reducing power use is a like taking off extra pounds. These small steps may help heal the planet, and save you money.

Figure Out Your Footprint and Ways to Save »

My Shot National Parks

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