Exoplanets articles within Nature Geoscience

Featured

  • News & Views |

    High pressures may have enabled ferric iron-rich silicate melts to coexist with iron metal near the base of magma oceans early in the history of large rocky planets like Earth. This suggests a relatively oxygen-rich atmosphere during the late stages of core formation on these planets.

    • Fabrice Gaillard

  • Article |

    Earth’s oxygen-rich atmosphere will probably persist for only one billion more years before it sharply deoxygenates to low-level oxygen similar to those of the Archaean, according to a combined biogeochemistry and climate model.

    • Kazumi Ozaki
    •  & Christopher T. Reinhard

  • Article |

    Rocky planets dominated by intrusive magmatism can cool more efficiently than those dominated by extrusive volcanism, according to numerical simulations of mantle convection.

    • Diogo L. Lourenço
    • , Antoine B. Rozel
    •  & Paul J. Tackley

  • Comment |

    Making sense of exoplanet observations requires better understanding of terrestrial atmospheres in our solar system, especially for Venus. We need to not just intermittently explore, but continuously monitor these atmospheres — like we do for Earth.

    • Kevin McGouldrick

  • News & Views |

    In our own solar system, Venus is too hot, Mars is too cold and Earth is just right. Simulations show that making an icy planet habitable is not as simple as melting its ice: many icy bodies swing from too cold to too hot, bypassing just right.

    • Andrew P. Ingersoll

  • Letter |

    Faint M dwarf stars are the focus of searches for habitable planets. Numerical models suggest that changes in stellar luminosity lead to planets that are either too dry or too wet to be habitable in M dwarf systems.

    • Feng Tian
    •  & Shigeru Ida

  • Editorial |

    Extrasolar planet research is booming. We welcome submissions with links to the geosciences.

  • Commentary |

    The dawn of exoplanet discovery has unearthed a rich tapestry of planets different from anything encountered in the Solar System. Geoscientists can and should be in the vanguard of investigating what is out there in the Universe.

    • Raymond T. Pierrehumbert

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