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  1. Life

    Fly fountain of youth

    Hanging out with young, healthy flies helps fruit flies with a mutation that causes neurodegeneration live longer.

    By Tina Hesman Saey
  2. Planetary Science

    See how it lands

    A camera on a Mars-orbiting spacecraft caught an image of NASA's Phoenix Mars Lander suspended from its parachute just before it descended onto the Red Planet’s northern plains on May 25.

    By Ron Cowen
  3. Planetary Science

    Touchdown! Phoenix lands on Mars

    The first close-up color images of the northern arctic circle on the Red Planet were recorded by the Mars Phoenix Lander spacecraft only a few hours after its flawless descent at 7:38 p.m. EDT, May 25.