Space

  1. Astronomy

    Rare Find: Odd type of ammonia detected in space

    The discovery of deuterated ammonia in space could help astronomers better understand the complex chemistry of dark clouds in star-forming regions.

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  2. Planetary Science

    Odyssey’s Homer: Hints of water near both poles of Mars

    Sensors on board the Mars Odyssey spacecraft have spied strong signs of ice buried near both poles of the Red Planet, exactly the regions where scientists previously had said that such frozen water deposits could exist.

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  3. Astronomy

    A Dark View of the Universe

    Two new studies suggest that galaxies may be surrounded by vast halos of dark matter extending at least 1.5 million light-years from each galaxy's center.

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  4. Astronomy

    Cosmic Dawn

    New computer simulations suggest that the first stars in the universe were extremely massive and left behind gamma-ray bursts that may already have been detected by telescopes orbiting Earth.

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  5. Astronomy

    More evidence for a revved-up universe

    By studying the clustering pattern of galaxies, astronomers have obtained additional evidence that cosmic expansion is accelerating.

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  6. Planetary Science

    Hard bodies pair off

    About one out of every eight asteroids traveling near Earth has a rocky companion.

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  7. Astronomy

    Heavenly Taffy: Galaxies in collision

    Astronomers have discovered a pair of colliding galaxies connected by a bridge of high-speed electrons and elongated magnetic fields.

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  8. Astronomy

    Physics-astronomy merger wins big

    A new report recommends fostering the extraordinary collaboration taking place between particle physics and astronomy.

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  9. Astronomy

    Sharper Images: New Hubble camera goes the distance

    Astronomers have unveiled a picture of the distant universe that ranks as the sharpest and most detailed ever recorded.

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  10. Astronomy

    Faded Stars Get New Role: Hubble takes a long look

    By setting their sights on the galaxy's faintest stars, scientists have calculated the universe's age to be between 13 billion and 14 billion years old.

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  11. Astronomy

    Elliptical duet rides the Kuiper belt

    Follow-up observations of an icy object in the Kuiper belt and its moon reveal that the two bodies revolve about each other in the most elongated orbit of any pair of objects in the solar system.

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  12. Astronomy

    Dusty Disks May Reveal Hidden Worlds

    Images of gaps, rings, arcs, warps, and clumps in disks of dusty debris surrounding nearby stars are providing new clues about the nature of planets that lie beyond the solar system.

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