Astronomy

More Stories in Astronomy

  1. Astronomy

    Barnard’s star has at least one planet orbiting it after all

    After decades of searching, a telltale gravitational wobble points to an exoplanet orbiting the nearby red dwarf every 3.15 days.

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  2. Astronomy

    Betelgeuse has a tiny companion star hidden in plain sight

    Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.

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  3. Astronomy

    Starlink satellites’ leaky radio waves obscure the cosmos

    Starlink satellites unintentionally emit radio waves that appear more than 10 million times brighter than natural sources, as seen by ground-based radio telescopes.

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  4. Space

    Meet Porphyrion, the largest pair of black hole jets ever seen

    The two plasma fountains, spanning 23 million light-years, could shape cosmic structures far beyond their home galaxy.

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  5. Space

    How a dying star is similar to a lava lamp

    In a first, astronomers captured how convective forces power the quick bubbling movement of gas cells on the surface of a distant, massive star.

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  6. Space

    The historic ‘Wow!’ signal may finally have a source. Sorry, it’s not aliens

    One of the best possible signs of extraterrestrial communication may have an astrophysical explanation — albeit a weird one.

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  7. Astronomy

    The nearest midsized black hole might instead be a horde of lightweights

    Astronomers recently reported that the Milky Way star cluster Omega Centauri hosts an elusive type of black hole. A new study says it does not.

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  8. Astronomy

    A distant quasar may be zapping all galaxies around itself

    Star formation has ceased within at least 16 million light-years of the quasar. A similar phenomenon may have fried the Milky Way when it was young.

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  9. Astronomy

    Some meteors leave trails lasting up to an hour. Now we may know why

    A new survey of meteors that leave persistent trails found that speed and brightness don’t matter as much as atmospheric chemistry.

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