News

  1. Astronomy

    Dead stars may masquerade as ingenues

    A heavenly deception in which dead stars lie about their ages could throw into disarray theories describing some of the densest objects in the cosmos.

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  2. Sleepers yield memorable brain images

    Rapid-eye-movement sleep may help consolidate some newly acquired memories, brain scans suggest.

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  3. Astronomy

    The smashup that rejuvenates

    For some elderly stars, the fountain of youth may be only a collision away.

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  4. Astronomy

    Astronomers get radio protection

    Astronomers studying the universe at millimeter-wave energies-the high-frequency portion of the radio spectrum-were given an official guarantee last month that commercial satellites and other communication devices won't interfere with the scientists' observations.