Space

  1. Planetary Science

    Jupiter’s Great Red Spot explained

    A computer simulation is the first to explain how Jupiter’s Great Red Spot has survived for the nearly 200 years humans have observed it.

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  2. Space

    Making the most of zero gravity

    Astronaut and author Chris Hadfield discusses life in, and after, space.

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  3. Astronomy

    Bright gamma-ray burst tests idea of event’s origins

    High-energy light particles suggest that physicists need to revise their theories explaining the origin of these cosmic blasts.

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  4. Astronomy

    High-energy neutrinos ensnared from beyond the solar system

    Speedy particles detected in Antarctica may point to gargantuan black holes or cataclysmic explosions.

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  5. Astronomy

    Jet from Milky Way’s giant black hole shows itself

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  6. Planetary Science

    Ancient Martian meteorite preserves chunks of planet’s early crust

    Rock could reveal what Mars was like 4.4 billion years ago.

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  7. Planetary Science

    MAVEN spacecraft blasts off to Mars

    In September 2014, the satellite will begin studying the Red Planet's upper atmosphere.

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  8. Cosmology

    For proposals that challenge paradigms, peruse arXiv.org

    The online physics archive offers crazy ideas to confront cosmological challenges.

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  9. Astronomy

    Solar explosion forms ‘Canyon of Fire’

    Just when the sun was looking especially lethargic, a violent eruption left behind a vast chasm of superheated gas on the solar surface.

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  10. Astronomy

    Black hole spurts jets of iron and nickel

    New observations show that the jets of black hole 4U 1630-47 carry massive particles such as iron and nickel atoms instead of the typical low-mass particles such as electrons.

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  11. Planetary Science

    Uninhabitable Earth

    A recent estimate of the lifetimes of the habitability zones of Earth and various exoplanets suggests Earth could become unable to support life as soon as 1.75 billion years from now, when the sun brightens before dying out.

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  12. Astronomy

    Moon’s craters remeasured

    Large craters cover more of the moon’s surface on its nearside than its farside, according to new maps from NASA’s GRAIL spacecrafts.

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