Astronomy

  1. Astronomy

    Tiny explosions add up to heat corona

    Millions of mini-explosions every second on the sun could solve the riddle of why the sun’s atmosphere is so much warmer than its surface.

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  2. Planetary Science

    The Martian Diaries

    Curiosity has explored Mars for over two and a half years. What if NASA's rover kept a scrapbook?

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  3. Astronomy

    Lit-up gas clouds hint at galaxies’ violent pasts

    Voorwerpjes, tendrils of gas that orbit galaxies, continue to glow tens of thousands of years after being blasted with ultraviolet radiation.

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  4. Astronomy

    Astronomers celebrating Hubble’s past focus on its future

    Astronomers celebrate the 25th anniversary of the Hubble Space Telescope by reflecting on its diversity and looking ahead to the future.

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  5. Astronomy

    Cosmic threesomes make some galaxies run away

    Extremely rare, free-floating galaxies called compact ellipticals may have been ejected from their home clusters after a massive intergalactic meet-up.

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  6. Astronomy

    Cosmic rays misbehave in space station experiment

    A puzzling feature in a new cosmic ray census may force physicists to rethink which cosmic objects send these speedy particles hurtling across the galaxy.

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  7. Astronomy

    Color differences could recalibrate cosmic acceleration rate

    Color differences in a class of supernovas could lower estimates of how much dark energy is in the universe.

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  8. Astronomy

    A look back in time reveals Milky Way’s evolution

    A sample of galaxies covering 11 billion years of cosmic history helps astronomers document how the Milky Way evolved.

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  9. Astronomy

    X-rays offer early warning for solar flares

    X-rays shot out by the sun foretell the intensity of an upcoming solar flare, new research suggests.

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  10. Astronomy

    Ringing rings reveal Saturn’s innards

    Scientists propose that exotic structures are buried within Saturn, based on analyses of subtle vibrations in the planet’s rings.

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  11. Astronomy

    Galactic split provides clue to dark matter mystery

    An oddly divided galaxy may provide the first evidence that dark matter particles interact through a force other than gravity.

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  12. Astronomy

    Map pinpoints location of invisible dark matter

    A new map shows that dark matter is concentrated in regions that contain a lot of ordinary matter in the form of galaxy clusters.

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