Astronomy

More Stories in Astronomy

  1. NGC 5477
    Astronomy

    19 more galaxies mysteriously missing dark matter have been found

    The finding reveals a population of dwarf galaxies that defy common wisdom about how these star systems form and evolve.

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  2. Exploding star illustration
    Space

    How two gamma-ray bursts created record-breaking high-energy photons

    Light packing up to 1 trillion electron volts of energy bolsters a theory for how these cosmic explosions produce such high-energy radiation.

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  3. solar spicules
    Space

    Realigning magnetic fields may drive the sun’s spiky plasma tendrils

    Solar spicules emerge near counterpointing magnetic fields, hinting that self-adjusting magnetism creates these filaments, which may heat the corona.

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  4. Sunburst Arc galaxy
    Space

    Light leaking from a distant galaxy hints at a cosmic makeover’s origins

    Ultraviolet light slips through a hole in a distant galaxy’s gas. Older galaxies might have used the trick to ionize most of the universe’s hydrogen.

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  5. Voyager 1 and 2
    Space

    Voyager 2 reveals the dynamic, complex nature of the solar system’s edge

    With two spacecraft outside the sun’s magnetic bubble, researchers get a new look at the boundary between the sun and its galactic environment.

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  6. Space

    Strontium is the first heavy element detected from a neutron star merger

    The discovery of strontium created inside a neutron star smashup gives the clearest picture yet of what goes on inside this chaotic environment.

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  7. shredded star
    Space

    A supermassive black hole shredded a star and was caught in the act

    Astronomers have gotten the earliest glimpse yet of a black hole ripping up a star, a process known as a tidal disruption event.

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  8. Saturn's moons
    Space

    With 20 new moons, Saturn now has the most of any solar system planet

    The discovery brings Saturn’s moon tally to 82. The previous record-holder, Jupiter, has 79.

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  9. Didier Queloz, Michel Mayor, James Peebles
    Physics

    Physics Nobel awarded for discoveries about the universe’s evolution and exoplanets

    Three scientists share the 2019 Nobel Prize in physics for revealing what makes up our cosmos and for finding the first planet orbiting a sunlike star.

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