Astronomy

  1. Astronomy

    Odd white dwarf found with mostly oxygen atmosphere

    A white dwarf that has been stripped of its hydrogen and helium provides a rare peek inside the core of a dead massive star.

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  2. Astronomy

    This eclipse goes on and on

    The longest known stellar eclipse hides a nearby star for nearly 3.5 years behind a thick clump of orbiting dust once every 69 years.

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  3. Astronomy

    Earth’s hurricanes have nothing on this quasar

    In a remote galaxy, a cosmic hurricane around a supermassive black hole is driving winds at nearly 20 percent of the speed of light.

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  4. Astronomy

    Japan’s new X-ray space telescope has gone silent

    Japan’s newest orbiting X-ray telescope, ASTRO-H, has gone silent and might have broken into several pieces, the Japanese space agency reports.

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  5. Astronomy

    Companion star could have triggered supernova

    An exploding star in another galaxy might have been pushed over the edge by a stellar companion.

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  6. Astronomy

    The moon’s poles have no fixed address

    Ancient deposits of lunar water ice mark where the moon’s poles used to be.

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  7. Astronomy

    Two chunks of the same comet buzzing Earth this week

    Two comets, one a possible fragment of the other, will slip past Earth on March 21 and 22.

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  8. Astronomy

    Quasars’ distance no longer in question

    Astronomers now know quasars live around black holes in remote galaxies, but 50 years ago, one researcher argued they were much closer.

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  9. Astronomy

    Black hole smashup generated yottawatts of power

    For a split second, LIGO’s black hole collision generated 36 septillion yottawatts of power, or 50 times the power from all the stars in the universe.

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  10. Astronomy

    A fast radio burst’s home galaxy may not be known after all

    The recently claimed host galaxy of a fast radio burst may have been signs of a snacking black hole instead, study claims.

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  11. Astronomy

    Repeating fast radio bursts recorded for the first time

    Until now, ephemeral blasts of radio waves from other galaxies have never repeated; this one erupted 10 times last year.

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  12. Astronomy

    Astronauts set to return to Earth after nearly a year in space

    Scott Kelly and Mikhail Kornienko are scheduled to return Earth on Tuesday after a record-setting 340 days in space.

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