Astronomy

  1. Astronomy

    Telescope takes close-ups of distant star

    Radio astronomers have for the first time probed ejected gas in the immediate surroundings of a distant star.

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  2. Astronomy

    Young pulsar has a split personality

    A new pulsar, the youngest discovered to date, unexpectedly exhibits properties of both regular pulsars and a recently explored class of supermagnetic pulsars, the magnetars.

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  3. Astronomy

    Big, Bigger . . . Biggest?

    Galaxy map reveals the limits of cosmic structure.

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  4. Astronomy

    Echoes of a stellar outburst

    Light from the outburst of a star has revealed its dusty surroundings.

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  5. Astronomy

    Comet LINEAR: Breaking up isn’t hard to do

    New images reveal that Comet LINEAR, which passed near the sun late last month, has broken into at least 10 fragments.

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  6. Astronomy

    Once Upon a Time in the Cosmos: Using distant galaxies to study the early universe

    Peering far back in time, two teams of astronomers report that they have found some of the universe's earliest galaxies.

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  7. Astronomy

    All-sky survey makes Internet debut

    An atlas of some 5 million images from the Two Micron All-Sky Survey is now available online.

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  8. Astronomy

    Evidence grows for nearby planetary system

    Astronomers have found the nearest known planet that lies outside the solar system, a mere 10.5 light-years from Earth.

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  9. Astronomy

    Cosmic Blowout: Black holes spew as much as they consume

    Supermassive black holes at the cores of galaxies can blow out as much material as they swallow, creating high-speed winds that may seed the universe with oxygen, carbon, iron, and other elements essential for life.

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  10. Astronomy

    By the light of a starry eruption

    Astronomers calculating the brightness of a supernova explosion witnessed in the 11th century estimate that it was likely the most brilliant stellar event in recorded history.

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  11. Astronomy

    X-ray flare from a dim source

    An X-ray flare coming from a old, failed star has surprised astronomers.

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  12. Astronomy

    A comet’s chilly origin

    Astronomers have detected argon in comet Hale-Bopp, the first time an inert gas has been found in one of these icy bodies and an indication that the comet formed in the frigid outer solar system between the orbits of Uranus and Neptune.

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