Astronomy

  1. Astronomy

    X-Ray Universe: Quasar’s jet goes the distance

    Collisions with photons left over from the birth of the universe appear to have generated the longest X ray-emitting jet ever found in a distant galaxy.

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  2. Astronomy

    UV telescopes: One dead, one revived

    One ultraviolet observatory burned up in Earth's atmosphere late last month while another has gotten a new lease on life.

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  3. Astronomy

    Supernova dealt deaths on Earth? Stellar blasts may have killed ancient marine life

    The explosion of nearby supernova may have caused the widespread extinction of marine life on Earth 2 million years ago.

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  4. Astronomy

    Some new stars in the neighborhood

    As part of an ongoing survey of faint stars in the southern skies, astronomers have discovered 12 previously unknown stars that lie within a mere 33 light-years of Earth.

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  5. Astronomy

    Seeing green: Color of the cosmos

    We live in a pale-green universe, according to astronomers who analyzed the colors of some 200,000 galaxies as part of the largest galaxy survey completed to date.

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  6. Astronomy

    Are pictures of extrasolar planets in the offing?

    The first image of a planet orbiting a star other than the sun may be only a year away.

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  7. Astronomy

    Some gamma-ray bursts may occur nearby

    A sizable minority of gamma-ray bursts may originate relatively nearby, in galaxies within 325 million light-years of our own.

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  8. Astronomy

    Planet Quest

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  9. Astronomy

    All Aglow in the Early Universe

    Was the infant cosmos a star-making machine?

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  10. Astronomy

    Milky Way galaxy: Cloaked in a hot shroud?

    Spacecraft observations indicate that a vast, unseen halo of hot gas envelopes our home galaxy, the Milky Way, and could literally be brushing up against its nearest neighbors.

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  11. Astronomy

    Sampling the sun

    A spacecraft has begun a 30-month mission in which it will collect samples of the solar wind and bring them back to Earth.

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  12. Astronomy

    Watching a dying star transform

    Astronomers have for the first time caught a dying star at the very beginning of a brief, shining period, when it's known as a planetary nebula.

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