Science

  • Picture of the disk of the moon partially blocking the sun.

    Detailed View of Solar Eclipse

    Plus Hubble's Latest "Pinwheel" and More Top Space Photos

    More »

More About Science and Space

  • Photo: Henna-painted hands

    Skin

    It provides armor, insulation, and air conditioning.  Learn more about the body's biggest organ.

  • Photo: Crystal skull

    Crystal Skulls

    Stories about the skulls focus heavily on their perceived supernatural powers.

  • Image: Dinosaur extinction

    Mass Extinctions

    More than 90 percent of all organisms that have ever lived on Earth are extinct. Learn how millions of creatures can disappear in a geological blink of an eye—and see what might be next.

  • Photo: Apollo 15 Commander Dave Scott salutes the flag

    Moon Landing Quiz

    How much do you know about U.S. Apollo missions?

  • 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.

Shop National Geographic

sizing-up-universe--s120x120.jpg

SHOP NOW »

2010 Emerging Explorers

Science News

More Science News »

Nat Geo Blogs

More Blogs From National Geographic »

Science Topics

Please enable JavaScript to see this content

Genographic

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?

  • ec-100.jpg

    Personal Energy Meter

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

  • energy-diet-dl--c.jpg

    Your Energy Diet

    Reducing power use is 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 »

National Geographic Magazine

More From National Geographic