News

  1. Planetary Science

    Small exoplanet discovered

    Astronomers have discovered the smallest planet known that is beyond the solar system and orbits an ordinary parent body.

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  2. Space

    Making an impression

    In its seventh day after successfully landing on the Red Planet, the Phoenix Lander digs its first trench and is ready to start its ice-hunting.

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  3. Health & Medicine

    Microbes clean up mercury

    Researchers think a microbe could clean up mercury-laced Native American artifacts.

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  4. Life

    Replaying evolution

    By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.