Space

  1. Astronomy

    Astronomers find two planetary systems

    Each of the newly discovered systems features a star roughly similar to the sun and a bizarre entourage of planets and possibly a failed star that may provide fresh insight into planet formation.

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  2. Astronomy

    X rays unveil secret lives of black holes

    New studies challenge the notion that supermassive black holes finished growing soon after their host galaxies formed and suggest new ways to find these black holes and measure their mass.

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  3. Astronomy

    Supernova 1987A: Astronomers’ Luck

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  4. Planetary Science

    Voyager 1 Affects Voyager 2 Mission

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  5. Astronomy

    Odd-Ball Quasars May Be Closer than They Seem

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