Astronomy

  1. Astronomy

    Pulsar pas de deux

    Astronomers have for the first time discovered two pulsars orbiting each other, offering the chance for new precision tests of Einstein's theory of general relativity.

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  2. Astronomy

    Wrenching Findings: Homing in on dark energy

    In an analysis of a group of distant supernovas, astronomers have found hints that dark energy is distributed uniformly throughout space.

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  3. Astronomy

    Finding the star that was

    Sifting through archival images, astronomers have identified the star whose explosive demise was recorded by telescopes last year.

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  4. Astronomy

    Bare-Naked Galaxies

    A decade's worth of observations is spotlighting how the vast sea of gas surrounding a cluster of galaxies can alter the shape of a galaxy plowing through it.

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  5. Astronomy

    Poof goes an atmosphere

    Blasted by the heat and radiation from its parent star, a planet 150 light-years from Earth is literally blowing off its atmosphere.

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  6. Astronomy

    A Habitable Planet

    NASA offers kids a chance to search for and build a fictional planet on which people could live. This multimedia, interactive Web site guides students through a sequence of role-playing steps, starting with observations of the effects that changes to Earth can have and what’s needed for survival. Go to: http://astroventure.arc.nasa.gov/

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  7. Astronomy

    Cosmic afterglow steals the limelight

    Thanks to a chance cosmic alignment, researchers appear to have resolved the detailed structure of the afterglow of a gamma-ray burst—even though the parent burst erupted halfway across the universe.

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  8. Astronomy

    Historical Astronomy and More

    The NASA Astrophysics Data System offers access to a huge, searchable database of journal articles and abstracts in the fields of physics and astronomy. The collection includes many historical publications in astronomy, including observatory reports, bulletins, and annals. It also has more than 300,000 abstracts from the Physical Review series published by the American Physical […]

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  9. Astronomy

    Scoping out a stellar nursery

    Penetrating a veil of dust, a space-based infrared observatory has recorded the most complete portrait ever taken of a star-forming region in a nearby galaxy.

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  10. Astronomy

    Stellar finding may outshine all others

    Astronomers have found what may be the heaviest, biggest, and brightest star ever observed.

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  11. Astronomy

    Gang of four: Debut of a big telescope

    In the desert of northern Chile, a fourth 8.2-meter telescope opened for business, completing a quartet known as the Very Large Telescope.

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  12. Astronomy

    Stellar motions provide hole-y data

    Measuring for the first time the acceleration of stars near the dense core of our galaxy, astronomers have obtained more precise information on the location and density of the black hole that lurks there.

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