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  • Exoplanetary science warns us against the use of improper terminology, which increases the risk of new discoveries being misinterpreted by researchers as well as the general public. Both the scientific community and journal editors can help to avoid this significant danger.

  • We have found many Earth-sized worlds but we have no way of determining if their surfaces are Earth-like. This makes it impossible to quantitatively compare habitability, and pretending we can risks damaging the field.

    • Elizabeth Tasker
    • Joshua Tan
    • June Wicks
  • Scientists are comfortable in their own communities but other groups working on similar phenomena at different length scales could provide unexpected insights. Collaborations are more likely to uncover common underlying principles.

    • Abraham Loeb
    • Nia Imara
  • Following the completion of the largest single-dish radio telescope ever built, the real work may now begin, explain Rendong Nan and Haiyan Zhang.

    • Rendong Nan
    • Haiyan Zhang
    Mission Control
  • Astronomers, astrophysicists and planetary scientists are global citizens who transcend political boundaries. Nature Astronomy supports a strong, open community with common interests.

  • Water ice has been spotted on Ceres, the largest asteroid in the asteroid belt. The ice is trapped in craters at the northern pole — some of the coldest, darkest places in our Solar System. Ceres is now the third planetary body, after the Moon and Mercury, where water ice has been detected in permanently shadowed areas.